diff --git a/src/Umbraco.Web.UI.Client/libs/observable-api/array-state.test.ts b/src/Umbraco.Web.UI.Client/libs/observable-api/array-state.test.ts
index b5edf90fed..3ff159c362 100644
--- a/src/Umbraco.Web.UI.Client/libs/observable-api/array-state.test.ts
+++ b/src/Umbraco.Web.UI.Client/libs/observable-api/array-state.test.ts
@@ -1,6 +1,5 @@
 import { expect } from '@open-wc/testing';
 import { ArrayState } from './array-state';
-import { createObservablePart } from '@umbraco-cms/observable-api';
 
 describe('ArrayState', () => {
 
@@ -76,9 +75,9 @@ describe('ArrayState', () => {
 	});
 
 
-	it('createObservablePart for a specific entry of array', (done) => {
+	it('getObservablePart for a specific entry of array', (done) => {
 
-		const subObserver = createObservablePart(subject, data => data.find(x => x.key === '2'));
+		const subObserver = subject.getObservablePart(data => data.find(x => x.key === '2'));
 		subObserver.subscribe((entry) => {
 			if(entry) {
 				expect(entry.another).to.be.equal(initialData[1].another);
@@ -89,12 +88,12 @@ describe('ArrayState', () => {
 	});
 
 
-	it('createObservablePart returns undefined if item does not exist', (done) => {
+	it('getObservablePart returns undefined if item does not exist', (done) => {
 
 		let amountOfCallbacks = 0;
 		const newItem = {key: '4', another: 'myValue4'};
 
-		const subObserver = createObservablePart(subject, data => data.find(x => x.key === newItem.key));
+		const subObserver = subject.getObservablePart(data => data.find(x => x.key === newItem.key));
 		subObserver.subscribe((entry) => {
 			amountOfCallbacks++;
 			if(amountOfCallbacks === 1) {
@@ -130,12 +129,12 @@ describe('ArrayState', () => {
 
 	});
 
-	it('createObservablePart returns the replaced item', (done) => {
+	it('getObservablePart returns the replaced item', (done) => {
 
 		const newItem = {key: '2', another: 'myValue4'};
 		subject.appendOne(newItem);
 
-		const subObserver = createObservablePart(subject, data => data.find(x => x.key === newItem.key));
+		const subObserver = subject.getObservablePart(data => data.find(x => x.key === newItem.key));
 		subObserver.subscribe((entry) => {
 			expect(entry).to.be.equal(newItem);// Second callback should give us the right data:
 			if(entry) {
diff --git a/src/Umbraco.Web.UI.Client/libs/observable-api/deep-state.test.ts b/src/Umbraco.Web.UI.Client/libs/observable-api/deep-state.test.ts
index 9f05db1c0e..f605564749 100644
--- a/src/Umbraco.Web.UI.Client/libs/observable-api/deep-state.test.ts
+++ b/src/Umbraco.Web.UI.Client/libs/observable-api/deep-state.test.ts
@@ -1,6 +1,5 @@
 import { expect } from '@open-wc/testing';
 import { DeepState } from './deep-state';
-import { createObservablePart } from '@umbraco-cms/observable-api';
 
 describe('DeepState', () => {
 
@@ -37,11 +36,11 @@ describe('DeepState', () => {
 
 	});
 
-	it('use createObservablePart, updates on its specific change.', (done) => {
+	it('use gObservablePart, updates on its specific change.', (done) => {
 
 		let amountOfCallbacks = 0;
 
-		const subObserver = createObservablePart(subject, data => data.another);
+		const subObserver = subject.getObservablePart(data => data.another);
 		subObserver.subscribe((value) => {
 			amountOfCallbacks++;
 			if(amountOfCallbacks === 1) {
diff --git a/src/Umbraco.Web.UI.Client/libs/observable-api/object-state.test.ts b/src/Umbraco.Web.UI.Client/libs/observable-api/object-state.test.ts
index 6160bfba27..66b1e0deef 100644
--- a/src/Umbraco.Web.UI.Client/libs/observable-api/object-state.test.ts
+++ b/src/Umbraco.Web.UI.Client/libs/observable-api/object-state.test.ts
@@ -27,7 +27,7 @@ describe('ObjectState', () => {
 
 	});
 
-	it('use createObservablePart, updates on its specific change.', (done) => {
+	it('use getObservablePart, updates on its specific change.', (done) => {
 
 		let amountOfCallbacks = 0;
 
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/documents/document-blueprints/document-blueprint.detail.store.ts b/src/Umbraco.Web.UI.Client/src/backoffice/documents/document-blueprints/document-blueprint.detail.store.ts
index 5ef48f1ba7..1e27078ee3 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/documents/document-blueprints/document-blueprint.detail.store.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/documents/document-blueprints/document-blueprint.detail.store.ts
@@ -1,6 +1,6 @@
 import type { DocumentBlueprintDetails } from '@umbraco-cms/models';
 import { UmbContextToken } from '@umbraco-cms/context-api';
-import { createObservablePart, ArrayState } from '@umbraco-cms/observable-api';
+import { ArrayState } from '@umbraco-cms/observable-api';
 import { UmbStoreBase } from '@umbraco-cms/store';
 import { UmbControllerHostInterface } from '@umbraco-cms/controller';
 
@@ -39,7 +39,7 @@ export class UmbDocumentBlueprintDetailStore extends UmbStoreBase {
 				this.#data.append(data);
 			});
 
-		return createObservablePart(this.#data, (documents) =>
+		return this.#data.getObservablePart((documents) =>
 			documents.find((document) => document.key === key)
 		);
 	}
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/documents/document-blueprints/document-blueprint.tree.store.ts b/src/Umbraco.Web.UI.Client/src/backoffice/documents/document-blueprints/document-blueprint.tree.store.ts
index f7cc3a11da..ae56bccc0b 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/documents/document-blueprints/document-blueprint.tree.store.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/documents/document-blueprints/document-blueprint.tree.store.ts
@@ -1,7 +1,7 @@
 import { DocumentBlueprintResource, DocumentTreeItem } from '@umbraco-cms/backend-api';
 import { tryExecuteAndNotify } from '@umbraco-cms/resources';
 import { UmbContextToken } from '@umbraco-cms/context-api';
-import { createObservablePart, ArrayState } from '@umbraco-cms/observable-api';
+import { ArrayState } from '@umbraco-cms/observable-api';
 import { UmbStoreBase } from '@umbraco-cms/store';
 import { UmbControllerHostInterface } from '@umbraco-cms/controller';
 
@@ -55,7 +55,7 @@ export class UmbDocumentBlueprintTreeStore extends UmbStoreBase {
 
 		// TODO: how do we handle trashed items?
 		// TODO: remove ignore when we know how to handle trashed items.
-		return createObservablePart(this.#data, (items) => items.filter((item) => item.parentKey === null && !item.isTrashed));
+		return this.#data.getObservablePart((items) => items.filter((item) => item.parentKey === null && !item.isTrashed));
 	}
 
 	getTreeItemChildren(key: string) {
@@ -75,7 +75,7 @@ export class UmbDocumentBlueprintTreeStore extends UmbStoreBase {
 
 		// TODO: how do we handle trashed items?
 		// TODO: remove ignore when we know how to handle trashed items.
-		return createObservablePart(this.#data, (items) => items.filter((item) => item.parentKey === key && !item.isTrashed));
+		return this.#data.getObservablePart((items) => items.filter((item) => item.parentKey === key && !item.isTrashed));
 	}
 
 	getTreeItems(keys: Array<string>) {
@@ -93,6 +93,6 @@ export class UmbDocumentBlueprintTreeStore extends UmbStoreBase {
 			});
 		}
 
-		return createObservablePart(this.#data, (items) => items.filter((item) => keys.includes(item.key ?? '')));
+		return this.#data.getObservablePart((items) => items.filter((item) => keys.includes(item.key ?? '')));
 	}
 }
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/documents/document-types/document-type.detail.store.ts b/src/Umbraco.Web.UI.Client/src/backoffice/documents/document-types/document-type.detail.store.ts
index 4835577c3a..c2f586c7cc 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/documents/document-types/document-type.detail.store.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/documents/document-types/document-type.detail.store.ts
@@ -1,6 +1,6 @@
 import type { DocumentTypeDetails } from '@umbraco-cms/models';
 import { UmbContextToken } from '@umbraco-cms/context-api';
-import { createObservablePart, ArrayState } from '@umbraco-cms/observable-api';
+import { ArrayState } from '@umbraco-cms/observable-api';
 import { UmbEntityDetailStore, UmbStoreBase } from '@umbraco-cms/store';
 import { UmbControllerHostInterface } from '@umbraco-cms/controller';
 
@@ -51,7 +51,7 @@ export class UmbDocumentTypeDetailStore extends UmbStoreBase implements UmbEntit
 				this.#data.append(data);
 			});
 
-		return createObservablePart(this.#data, (documentTypes) =>
+		return this.#data.getObservablePart((documentTypes) =>
 			documentTypes.find((documentType) => documentType.key === key)
 		);
 	}
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/documents/document-types/document-type.tree.store.ts b/src/Umbraco.Web.UI.Client/src/backoffice/documents/document-types/document-type.tree.store.ts
index bb94357d57..44ca119f86 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/documents/document-types/document-type.tree.store.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/documents/document-types/document-type.tree.store.ts
@@ -1,7 +1,7 @@
 import { DocumentTypeResource, DocumentTreeItem } from '@umbraco-cms/backend-api';
 import { tryExecuteAndNotify } from '@umbraco-cms/resources';
 import { UmbContextToken } from '@umbraco-cms/context-api';
-import { createObservablePart, ArrayState } from '@umbraco-cms/observable-api';
+import { ArrayState } from '@umbraco-cms/observable-api';
 import { UmbStoreBase } from '@umbraco-cms/store';
 import { UmbControllerHostInterface } from '@umbraco-cms/controller';
 
@@ -54,7 +54,7 @@ export class UmbDocumentTypeTreeStore extends UmbStoreBase {
 		});
 
 		// TODO: remove ignore when we know how to handle trashed items.
-		return createObservablePart(this.#data, (items) => items.filter((item) => item.parentKey === null));
+		return this.#data.getObservablePart((items) => items.filter((item) => item.parentKey === null));
 	}
 
 	getTreeItemChildren(key: string) {
@@ -71,7 +71,7 @@ export class UmbDocumentTypeTreeStore extends UmbStoreBase {
 		});
 
 		// TODO: remove ignore when we know how to handle trashed items.
-		return createObservablePart(this.#data, (items) => items.filter((item) => item.parentKey === key));
+		return this.#data.getObservablePart((items) => items.filter((item) => item.parentKey === key));
 	}
 
 	getTreeItems(keys: Array<string>) {
@@ -89,6 +89,6 @@ export class UmbDocumentTypeTreeStore extends UmbStoreBase {
 			});
 		}
 
-		return createObservablePart(this.#data, (items) => items.filter((item) => keys.includes(item.key ?? '')));
+		return this.#data.getObservablePart((items) => items.filter((item) => keys.includes(item.key ?? '')));
 	}
 }
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/documents/documents/document.tree.store.ts b/src/Umbraco.Web.UI.Client/src/backoffice/documents/documents/document.tree.store.ts
index 8c27b2b686..b96aee4685 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/documents/documents/document.tree.store.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/documents/documents/document.tree.store.ts
@@ -1,7 +1,7 @@
 import { DocumentResource, DocumentTreeItem } from '@umbraco-cms/backend-api';
 import { tryExecuteAndNotify } from '@umbraco-cms/resources';
 import { UmbContextToken } from '@umbraco-cms/context-api';
-import { createObservablePart, ArrayState } from '@umbraco-cms/observable-api';
+import { ArrayState } from '@umbraco-cms/observable-api';
 import { UmbStoreBase, UmbTreeStore } from '@umbraco-cms/store';
 import { UmbControllerHostInterface } from '@umbraco-cms/controller';
 
@@ -62,7 +62,7 @@ export class UmbDocumentTreeStore extends UmbStoreBase implements UmbTreeStore<D
 
 		// TODO: how do we handle trashed items?
 		// TODO: remove ignore when we know how to handle trashed items.
-		return createObservablePart(this._data, (items) => items.filter((item) => item.parentKey === null && !item.isTrashed));
+		return this._data.getObservablePart((items) => items.filter((item) => item.parentKey === null && !item.isTrashed));
 	}
 
 	getTreeItemChildren(key: string) {
@@ -80,7 +80,7 @@ export class UmbDocumentTreeStore extends UmbStoreBase implements UmbTreeStore<D
 
 		// TODO: how do we handle trashed items?
 		// TODO: remove ignore when we know how to handle trashed items.
-		return createObservablePart(this._data, (items) => items.filter((item) => item.parentKey === key && !item.isTrashed));
+		return this._data.getObservablePart((items) => items.filter((item) => item.parentKey === key && !item.isTrashed));
 	}
 
 	getTreeItems(keys: Array<string>) {
@@ -98,6 +98,6 @@ export class UmbDocumentTreeStore extends UmbStoreBase implements UmbTreeStore<D
 			});
 		}
 
-		return createObservablePart(this._data, (items) => items.filter((item) => keys.includes(item.key ?? '')));
+		return this._data.getObservablePart((items) => items.filter((item) => keys.includes(item.key ?? '')));
 	}
 }
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/media/media-types/media-type.tree.store.ts b/src/Umbraco.Web.UI.Client/src/backoffice/media/media-types/media-type.tree.store.ts
index f62d04040c..1701c0eb02 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/media/media-types/media-type.tree.store.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/media/media-types/media-type.tree.store.ts
@@ -1,7 +1,7 @@
 import { FolderTreeItem, MediaTypeResource } from '@umbraco-cms/backend-api';
 import { tryExecuteAndNotify } from '@umbraco-cms/resources';
 import { UmbContextToken } from '@umbraco-cms/context-api';
-import { createObservablePart, ArrayState } from '@umbraco-cms/observable-api';
+import { ArrayState } from '@umbraco-cms/observable-api';
 import { UmbStoreBase } from '@umbraco-cms/store';
 import { UmbControllerHostInterface } from '@umbraco-cms/controller';
 
@@ -32,7 +32,7 @@ export class UmbMediaTypeTreeStore extends UmbStoreBase {
 			}
 		});
 
-		return createObservablePart(this.#data, (items) => items.filter((item) => item.parentKey === null));
+		return this.#data.getObservablePart((items) => items.filter((item) => item.parentKey === null));
 	}
 
 	getTreeItemChildren(key: string){
@@ -47,7 +47,7 @@ export class UmbMediaTypeTreeStore extends UmbStoreBase {
 			}
 		});
 
-		return createObservablePart(this.#data, (items) => items.filter((item) => item.parentKey === key));
+		return this.#data.getObservablePart((items) => items.filter((item) => item.parentKey === key));
 	}
 
 	getTreeItems(keys: Array<string>) {
@@ -65,6 +65,6 @@ export class UmbMediaTypeTreeStore extends UmbStoreBase {
 			});
 		}
 
-		return createObservablePart(this.#data, (items) => items.filter((item) => keys.includes(item.key ?? '')));
+		return this.#data.getObservablePart((items) => items.filter((item) => keys.includes(item.key ?? '')));
 	}
 }
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/media/media/media.detail.store.ts b/src/Umbraco.Web.UI.Client/src/backoffice/media/media/media.detail.store.ts
index 4ba307da9c..965b43aefa 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/media/media/media.detail.store.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/media/media/media.detail.store.ts
@@ -1,6 +1,6 @@
-import type { DocumentDetails, MediaDetails } from '@umbraco-cms/models';
+import type { MediaDetails } from '@umbraco-cms/models';
 import { UmbContextToken } from '@umbraco-cms/context-api';
-import { createObservablePart, ArrayState } from '@umbraco-cms/observable-api';
+import { ArrayState } from '@umbraco-cms/observable-api';
 import { UmbStoreBase, UmbContentStore } from '@umbraco-cms/store';
 import { UmbControllerHostInterface } from '@umbraco-cms/controller';
 
@@ -32,7 +32,7 @@ export class UmbMediaDetailStore extends UmbStoreBase implements UmbContentStore
 				this.#data.append(data);
 			});
 
-		return createObservablePart(this.#data, (documents) =>
+		return this.#data.getObservablePart((documents) =>
 			documents.find((document) => document.key === key)
 		);
 	}
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/media/media/media.tree.store.ts b/src/Umbraco.Web.UI.Client/src/backoffice/media/media/media.tree.store.ts
index a2c6bc14ae..bd9b03dfc4 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/media/media/media.tree.store.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/media/media/media.tree.store.ts
@@ -2,7 +2,7 @@ import type { Observable } from 'rxjs';
 import { MediaResource, ContentTreeItem } from '@umbraco-cms/backend-api';
 import { tryExecuteAndNotify } from '@umbraco-cms/resources';
 import { UmbContextToken } from '@umbraco-cms/context-api';
-import { createObservablePart, ArrayState } from '@umbraco-cms/observable-api';
+import { ArrayState } from '@umbraco-cms/observable-api';
 import { UmbStoreBase, UmbTreeStore } from '@umbraco-cms/store';
 import { UmbControllerHostInterface } from '@umbraco-cms/controller';
 
@@ -63,7 +63,7 @@ export class UmbMediaTreeStore extends UmbStoreBase implements UmbTreeStore<Medi
 
 		// TODO: how do we handle trashed items?
 		// TODO: remove ignore when we know how to handle trashed items.
-		return createObservablePart(this.#data, (items) =>
+		return this.#data.getObservablePart((items) =>
 			items.filter((item) => item.parentKey === null && !item.isTrashed)
 		);
 	}
@@ -83,7 +83,7 @@ export class UmbMediaTreeStore extends UmbStoreBase implements UmbTreeStore<Medi
 
 		// TODO: how do we handle trashed items?
 		// TODO: remove ignore when we know how to handle trashed items.
-		return createObservablePart(this.#data, (items) =>
+		return this.#data.getObservablePart((items) =>
 			items.filter((item) => item.parentKey === key && !item.isTrashed)
 		);
 	}
@@ -103,6 +103,6 @@ export class UmbMediaTreeStore extends UmbStoreBase implements UmbTreeStore<Medi
 			});
 		}
 
-		return createObservablePart(this.#data, (items) => items.filter((item) => keys.includes(item.key ?? '')));
+		return this.#data.getObservablePart((items) => items.filter((item) => keys.includes(item.key ?? '')));
 	}
 }
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/members/member-types/member-type.tree.store.ts b/src/Umbraco.Web.UI.Client/src/backoffice/members/member-types/member-type.tree.store.ts
index a5842155b1..fca8d875a9 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/members/member-types/member-type.tree.store.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/members/member-types/member-type.tree.store.ts
@@ -1,7 +1,7 @@
 import { EntityTreeItem, MemberTypeResource, } from '@umbraco-cms/backend-api';
 import { tryExecuteAndNotify } from '@umbraco-cms/resources';
 import { UmbContextToken } from '@umbraco-cms/context-api';
-import { createObservablePart, ArrayState } from '@umbraco-cms/observable-api';
+import { ArrayState } from '@umbraco-cms/observable-api';
 import { UmbStoreBase } from '@umbraco-cms/store';
 import { UmbControllerHostInterface } from '@umbraco-cms/controller';
 
@@ -55,7 +55,7 @@ export class UmbMemberTypeTreeStore extends UmbStoreBase {
 		});
 
 		// TODO: remove ignore when we know how to handle trashed items.
-		return createObservablePart(this.#data, (items) => items.filter((item) => item.parentKey === null));
+		return this.#data.getObservablePart((items) => items.filter((item) => item.parentKey === null));
 	}
 
 	getTreeItemChildren(key: string) {
@@ -73,7 +73,7 @@ export class UmbMemberTypeTreeStore extends UmbStoreBase {
 		});
 		*/
 
-		return createObservablePart(this.#data, (items) => items.filter((item) => item.parentKey === key));
+		return this.#data.getObservablePart((items) => items.filter((item) => item.parentKey === key));
 	}
 
 	getTreeItems(keys: Array<string>) {
@@ -91,6 +91,6 @@ export class UmbMemberTypeTreeStore extends UmbStoreBase {
 			});
 		}
 
-		return createObservablePart(this.#data, (items) => items.filter((item) => keys.includes(item.key ?? '')));
+		return this.#data.getObservablePart((items) => items.filter((item) => keys.includes(item.key ?? '')));
 	}
 }
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/settings/data-types/data-type.detail.store.ts b/src/Umbraco.Web.UI.Client/src/backoffice/settings/data-types/data-type.detail.store.ts
index 6ea6dc4fec..5c81233e1b 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/settings/data-types/data-type.detail.store.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/settings/data-types/data-type.detail.store.ts
@@ -1,6 +1,6 @@
 import type { DataTypeDetails } from '@umbraco-cms/models';
 import { UmbContextToken } from '@umbraco-cms/context-api';
-import { createObservablePart, ArrayState } from '@umbraco-cms/observable-api';
+import { ArrayState } from '@umbraco-cms/observable-api';
 import { UmbEntityDetailStore, UmbStoreBase } from '@umbraco-cms/store';
 import { UmbControllerHostInterface } from '@umbraco-cms/controller';
 
@@ -54,7 +54,7 @@ export class UmbDataTypeDetailStore extends UmbStoreBase implements UmbEntityDet
 			});
 
 
-		return createObservablePart(this.#data, (documents) =>
+		return this.#data.getObservablePart((documents) =>
 			documents.find((document) => document.key === key)
 		);
 	}
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/settings/data-types/data-type.tree.store.ts b/src/Umbraco.Web.UI.Client/src/backoffice/settings/data-types/data-type.tree.store.ts
index 7363defdc9..fca7c90c21 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/settings/data-types/data-type.tree.store.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/settings/data-types/data-type.tree.store.ts
@@ -1,7 +1,7 @@
 import { DataTypeResource, DocumentTreeItem } from '@umbraco-cms/backend-api';
 import { tryExecuteAndNotify } from '@umbraco-cms/resources';
 import { UmbContextToken } from '@umbraco-cms/context-api';
-import { createObservablePart, ArrayState } from '@umbraco-cms/observable-api';
+import { ArrayState } from '@umbraco-cms/observable-api';
 import { UmbStoreBase } from '@umbraco-cms/store';
 import { UmbControllerHostInterface } from '@umbraco-cms/controller';
 
@@ -55,7 +55,7 @@ export class UmbDataTypeTreeStore extends UmbStoreBase {
 
 		// TODO: how do we handle trashed items?
 		// TODO: remove ignore when we know how to handle trashed items.
-		return createObservablePart(this.#data, (items) => items.filter((item) => item.parentKey === null && !item.isTrashed));
+		return this.#data.getObservablePart((items) => items.filter((item) => item.parentKey === null && !item.isTrashed));
 	}
 
 	getTreeItemChildren(key: string) {
@@ -73,7 +73,7 @@ export class UmbDataTypeTreeStore extends UmbStoreBase {
 
 		// TODO: how do we handle trashed items?
 		// TODO: remove ignore when we know how to handle trashed items.
-		return createObservablePart(this.#data, (items) => items.filter((item) => item.parentKey === key && !item.isTrashed));
+		return this.#data.getObservablePart((items) => items.filter((item) => item.parentKey === key && !item.isTrashed));
 	}
 
 	getTreeItems(keys: Array<string>) {
@@ -91,6 +91,6 @@ export class UmbDataTypeTreeStore extends UmbStoreBase {
 			});
 		}
 
-		return createObservablePart(this.#data, (items) => items.filter((item) => keys.includes(item.key ?? '')));
+		return this.#data.getObservablePart((items) => items.filter((item) => keys.includes(item.key ?? '')));
 	}
 }
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/shared/components/workspace-property/workspace-property.context.ts b/src/Umbraco.Web.UI.Client/src/backoffice/shared/components/workspace-property/workspace-property.context.ts
index f3581b8247..4a8986eac6 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/shared/components/workspace-property/workspace-property.context.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/shared/components/workspace-property/workspace-property.context.ts
@@ -1,7 +1,7 @@
 import { UmbWorkspaceEntityContextInterface } from '../workspace/workspace-context/workspace-entity-context.interface';
 import type { DataTypeDetails } from '@umbraco-cms/models';
 import { UmbControllerHostInterface } from '@umbraco-cms/controller';
-import { createObservablePart, ObjectState } from '@umbraco-cms/observable-api';
+import { ObjectState } from '@umbraco-cms/observable-api';
 import { UmbContextConsumerController, UmbContextProviderController } from '@umbraco-cms/context-api';
 
 // If we get this from the server then we can consider using TypeScripts Partial<> around the model from the Management-API.
@@ -18,11 +18,11 @@ export class UmbWorkspacePropertyContext<ValueType = unknown> {
 
 	private _data = new ObjectState<WorkspacePropertyData<ValueType>>({});
 
-	public readonly alias = createObservablePart(this._data, (data) => data.alias);
-	public readonly label = createObservablePart(this._data, (data) => data.label);
-	public readonly description = createObservablePart(this._data, (data) => data.description);
-	public readonly value = createObservablePart(this._data, (data) => data.value);
-	public readonly config = createObservablePart(this._data, (data) => data.config);
+	public readonly alias = this._data.getObservablePart((data) => data.alias);
+	public readonly label = this._data.getObservablePart((data) => data.label);
+	public readonly description = this._data.getObservablePart((data) => data.description);
+	public readonly value = this._data.getObservablePart((data) => data.value);
+	public readonly config = this._data.getObservablePart((data) => data.config);
 
 	private _workspaceContext?: UmbWorkspaceEntityContextInterface;
 
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/translation/dictionary/dictionary.detail.store.ts b/src/Umbraco.Web.UI.Client/src/backoffice/translation/dictionary/dictionary.detail.store.ts
index 88ba424035..4b2a00c017 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/translation/dictionary/dictionary.detail.store.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/translation/dictionary/dictionary.detail.store.ts
@@ -1,6 +1,6 @@
 import type { DictionaryDetails } from '@umbraco-cms/models';
 import { UmbContextToken } from '@umbraco-cms/context-api';
-import { createObservablePart, ArrayState } from '@umbraco-cms/observable-api';
+import { ArrayState } from '@umbraco-cms/observable-api';
 import { UmbEntityDetailStore, UmbStoreBase } from '@umbraco-cms/store';
 import { UmbControllerHostInterface } from '@umbraco-cms/controller';
 import { EntityTreeItem } from '@umbraco-cms/backend-api';
@@ -47,7 +47,7 @@ export class UmbDictionaryDetailStore extends UmbStoreBase implements UmbEntityD
 				this.#data.append(data);
 			});
 
-		return createObservablePart(this.#data, (documents) =>
+		return this.#data.getObservablePart((documents) =>
 			documents.find((document) => document.key === key)
 		);
 	}
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/translation/dictionary/dictionary.tree.store.ts b/src/Umbraco.Web.UI.Client/src/backoffice/translation/dictionary/dictionary.tree.store.ts
index 04c810fc85..a9ae81245a 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/translation/dictionary/dictionary.tree.store.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/translation/dictionary/dictionary.tree.store.ts
@@ -1,7 +1,7 @@
 import { DictionaryResource, DocumentTreeItem } from '@umbraco-cms/backend-api';
 import { tryExecuteAndNotify } from '@umbraco-cms/resources';
 import { UmbContextToken } from '@umbraco-cms/context-api';
-import { createObservablePart, ArrayState } from '@umbraco-cms/observable-api';
+import { ArrayState } from '@umbraco-cms/observable-api';
 import { UmbStoreBase } from '@umbraco-cms/store';
 import { UmbControllerHostInterface } from '@umbraco-cms/controller';
 
@@ -55,7 +55,7 @@ export class UmbDictionaryTreeStore extends UmbStoreBase {
 
 		// TODO: how do we handle trashed items?
 		// TODO: remove ignore when we know how to handle trashed items.
-		return createObservablePart(this.#data, (items) => items.filter((item) => item.parentKey === null && !item.isTrashed));
+		return this.#data.getObservablePart((items) => items.filter((item) => item.parentKey === null && !item.isTrashed));
 	}
 
 	getTreeItemChildren(key: string) {
@@ -73,7 +73,7 @@ export class UmbDictionaryTreeStore extends UmbStoreBase {
 
 		// TODO: how do we handle trashed items?
 		// TODO: remove ignore when we know how to handle trashed items.
-		return createObservablePart(this.#data, (items) => items.filter((item) => item.parentKey === key && !item.isTrashed));
+		return this.#data.getObservablePart((items) => items.filter((item) => item.parentKey === key && !item.isTrashed));
 	}
 
 	getTreeItems(keys: Array<string>) {
@@ -91,6 +91,6 @@ export class UmbDictionaryTreeStore extends UmbStoreBase {
 			});
 		}
 
-		return createObservablePart(this.#data, (items) => items.filter((item) => keys.includes(item.key ?? '')));
+		return this.#data.getObservablePart((items) => items.filter((item) => keys.includes(item.key ?? '')));
 	}
 }
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/users/current-user/current-user-history.store.ts b/src/Umbraco.Web.UI.Client/src/backoffice/users/current-user/current-user-history.store.ts
index 192c5f13b9..9a7468fd15 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/users/current-user/current-user-history.store.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/users/current-user/current-user-history.store.ts
@@ -1,5 +1,5 @@
 import { UmbContextToken } from '@umbraco-cms/context-api';
-import { createObservablePart, DeepState } from '@umbraco-cms/observable-api';
+import { DeepState } from '@umbraco-cms/observable-api';
 
 export type UmbModelType = 'dialog' | 'sidebar';
 
@@ -13,7 +13,7 @@ export class UmbCurrentUserHistoryStore {
 	#history = new DeepState(<Array<UmbCurrentUserHistoryItem>>[]);
 
 	public readonly history = this.#history.asObservable();
-	public readonly latestHistory = createObservablePart(this.#history, (historyItems) => historyItems.slice(-10));
+	public readonly latestHistory = this.#history.getObservablePart((historyItems) => historyItems.slice(-10));
 
 	constructor() {
 		if (!('navigation' in window)) return;
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/users/user-groups/user-group.store.ts b/src/Umbraco.Web.UI.Client/src/backoffice/users/user-groups/user-group.store.ts
index b5ac06137a..950acae2df 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/users/user-groups/user-group.store.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/users/user-groups/user-group.store.ts
@@ -1,7 +1,7 @@
 import type { UserGroupDetails } from '@umbraco-cms/models';
 import { UmbContextToken } from '@umbraco-cms/context-api';
 import { UmbControllerHostInterface } from '@umbraco-cms/controller';
-import { createObservablePart, ArrayState } from '@umbraco-cms/observable-api';
+import { ArrayState } from '@umbraco-cms/observable-api';
 import { UmbEntityDetailStore, UmbStoreBase } from '@umbraco-cms/store';
 
 // TODO: get rid of this type addition & { ... }:
@@ -63,7 +63,7 @@ export class UmbUserGroupStore extends UmbStoreBase implements UmbEntityDetailSt
 				this.#groups.append([data]);
 			});
 
-		return createObservablePart(this.groups, (userGroups) => userGroups.find(userGroup => userGroup.key === key));
+		return this.#groups.getObservablePart((userGroups) => userGroups.find(userGroup => userGroup.key === key));
 	}
 
 	getByKeys(keys: Array<string>) {
@@ -74,7 +74,7 @@ export class UmbUserGroupStore extends UmbStoreBase implements UmbEntityDetailSt
 				this.#groups.append(data);
 			});
 
-			return createObservablePart(this.groups, (items) => items.filter(node => keys.includes(node.key)));
+			return this.#groups.getObservablePart((items) => items.filter(node => keys.includes(node.key)));
 	}
 
 	async save(userGroups: Array<UserGroupDetails>) {
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/users/users/user.store.ts b/src/Umbraco.Web.UI.Client/src/backoffice/users/users/user.store.ts
index dde8a93123..2a74eafda8 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/users/users/user.store.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/users/users/user.store.ts
@@ -1,5 +1,5 @@
 import type { UserDetails } from '@umbraco-cms/models';
-import { createObservablePart, ArrayState, NumberState } from '@umbraco-cms/observable-api';
+import { ArrayState, NumberState } from '@umbraco-cms/observable-api';
 import { UmbContextToken } from '@umbraco-cms/context-api';
 import { UmbEntityDetailStore, UmbStoreBase } from '@umbraco-cms/store';
 import type { UmbControllerHostInterface } from '@umbraco-cms/controller';
@@ -78,7 +78,7 @@ export class UmbUserStore extends UmbStoreBase implements UmbEntityDetailStore<U
 				this.#users.appendOne(data);
 			});
 
-		return createObservablePart(this.#users, (users: Array<UmbUserStoreItemType>) => users.find((user: UmbUserStoreItemType) => user.key === key));
+		return this.#users.getObservablePart((users: Array<UmbUserStoreItemType>) => users.find((user: UmbUserStoreItemType) => user.key === key));
 	}
 
 
@@ -96,7 +96,7 @@ export class UmbUserStore extends UmbStoreBase implements UmbEntityDetailStore<U
 				this.#users.append(data);
 			});
 
-		return createObservablePart(this.#users, (users: Array<UmbUserStoreItemType>) => users.filter((user: UmbUserStoreItemType) => keys.includes(user.key)));
+		return this.#users.getObservablePart((users: Array<UmbUserStoreItemType>) => users.filter((user: UmbUserStoreItemType) => keys.includes(user.key)));
 	}
 
 	getByName(name: string) {
@@ -110,7 +110,7 @@ export class UmbUserStore extends UmbStoreBase implements UmbEntityDetailStore<U
 				this.#users.append(data);
 			});
 
-		return createObservablePart(this.#users, (users: Array<UmbUserStoreItemType>) => users.filter((user: UmbUserStoreItemType) => user.name.toLocaleLowerCase().includes(name)));
+		return this.#users.getObservablePart((users: Array<UmbUserStoreItemType>) => users.filter((user: UmbUserStoreItemType) => user.name.toLocaleLowerCase().includes(name)));
 	}
 
 	async enableUsers(userKeys: Array<string>) {
diff --git a/src/Umbraco.Web.UI.Client/src/stories/store.stories.mdx b/src/Umbraco.Web.UI.Client/src/stories/store.stories.mdx
index 6c95d84da2..36a387cc59 100644
--- a/src/Umbraco.Web.UI.Client/src/stories/store.stories.mdx
+++ b/src/Umbraco.Web.UI.Client/src/stories/store.stories.mdx
@@ -84,7 +84,7 @@ class MyProductStore {
 		});
 
 		// Return a Observable part, to listen for this specific product and the future changes of it.
-		return createObservablePart(this.#data, (documents) =>
+		return this.#data.getObservablePart((documents) =>
 			documents.find((document) => document.key === key)
 		);
 	}
@@ -136,8 +136,8 @@ class MyProductStore {
 	#products = new ArrayState(<Array<MyProductType>>[]);
 
 	public readonly products = this.#products.asObservable();
-	public readonly amountOfProducts = createObservablePart(this.#products, (products) => products.length);
-	public readonly topTenRatedProducts = createObservablePart(this.#products, (products) => products.sort((a, b) => b.rating - a.rating).slice(0, 10));
+	public readonly amountOfProducts = this.#products.getObservablePart((products) => products.length);
+	public readonly topTenRatedProducts = this.#products.getObservablePart((products) => products.sort((a, b) => b.rating - a.rating).slice(0, 10));
 
 	...