diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/collection/components/collection-selection-actions.element.ts b/src/Umbraco.Web.UI.Client/src/packages/core/collection/components/collection-selection-actions.element.ts
index b4ad4e787b..3d1c122342 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/collection/components/collection-selection-actions.element.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/collection/components/collection-selection-actions.element.ts
@@ -13,7 +13,7 @@ export class UmbCollectionSelectionActionsElement extends UmbLitElement {
 	private _selectionLength = 0;
 
 	@state()
-	private _extensionProps = {};
+	private _elementProps = {};
 
 	private _selection: Array<string | null> = [];
 
@@ -53,7 +53,7 @@ export class UmbCollectionSelectionActionsElement extends UmbLitElement {
 			(selection) => {
 				this._selectionLength = selection.length;
 				this._selection = selection;
-				this._extensionProps = { selection: this._selection };
+				this._elementProps = { selection: this._selection };
 			},
 			'umbSelectionObserver',
 		);
@@ -86,8 +86,8 @@ export class UmbCollectionSelectionActionsElement extends UmbLitElement {
 					id="actions"
 					type="entityBulkAction"
 					default-element="umb-entity-bulk-action"
-					.props=${this._extensionProps}
-					.apiArgs=${[this._extensionProps]}
+					.elementProps=${this._elementProps}
+					.apiArgs=${[this._elementProps]}
 					@action-executed=${this.#onActionExecuted}>
 				</umb-extension-with-api-slot>
 			</div>
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/components/extension-with-api-slot/extension-with-api-slot.element.ts b/src/Umbraco.Web.UI.Client/src/packages/core/components/extension-with-api-slot/extension-with-api-slot.element.ts
index ab9e1e3668..7bb11562ff 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/components/extension-with-api-slot/extension-with-api-slot.element.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/components/extension-with-api-slot/extension-with-api-slot.element.ts
@@ -77,13 +77,13 @@ export class UmbExtensionWithApiSlotElement extends UmbLitElement {
 	 * @type {Record<string, any>}
 	 * @memberof UmbExtensionSlot
 	 * @example
-	 * <umb-extension-with-api-slot type="my-extension-type" .props=${{foo: 'bar'}}></umb-extension-with-api-slot>
+	 * <umb-extension-with-api-slot type="my-extension-type" .elementProps=${{foo: 'bar'}}></umb-extension-with-api-slot>
 	 */
-	@property({ type: Object, attribute: false })
-	get props(): Record<string, unknown> | undefined {
+	@property({ attribute: false })
+	get elementProps(): Record<string, unknown> | undefined {
 		return this.#props;
 	}
-	set props(newVal: Record<string, unknown> | undefined) {
+	set elementProps(newVal: Record<string, unknown> | undefined) {
 		// TODO, compare changes since last time. only reset the ones that changed. This might be better done by the controller is self:
 		this.#props = newVal;
 		if (this.#extensionsController) {
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/entity-action/entity-action-list.element.ts b/src/Umbraco.Web.UI.Client/src/packages/core/entity-action/entity-action-list.element.ts
index 23b8d31e43..c84dd0dbab 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/entity-action/entity-action-list.element.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/entity-action/entity-action-list.element.ts
@@ -40,7 +40,7 @@ export class UmbEntityActionListElement extends UmbLitElement {
 						type="entityAction"
 						default-element="umb-entity-action"
 						.filter=${this._filter}
-						.props=${this._props}
+						.elementProps=${this._props}
 						.apiArgs=${[this._props]}></umb-extension-with-api-slot>
 			  `
 			: '';
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/entity-bulk-action/entity-bulk-action-base.ts b/src/Umbraco.Web.UI.Client/src/packages/core/entity-bulk-action/entity-bulk-action-base.ts
index de4d10fceb..ab77a5702a 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/entity-bulk-action/entity-bulk-action-base.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/entity-bulk-action/entity-bulk-action-base.ts
@@ -1,8 +1,9 @@
 import type { UmbEntityBulkAction } from './entity-bulk-action.interface.js';
 import type { UmbEntityBulkActionArgs } from './types.js';
+import type { MetaEntityBulkAction } from '@umbraco-cms/backoffice/extension-registry';
 import { UmbActionBase } from '@umbraco-cms/backoffice/action';
 
-export abstract class UmbEntityBulkActionBase<ArgsMetaType = unknown>
+export abstract class UmbEntityBulkActionBase<ArgsMetaType extends MetaEntityBulkAction>
 	extends UmbActionBase<UmbEntityBulkActionArgs<ArgsMetaType>>
 	implements UmbEntityBulkAction<ArgsMetaType>
 {
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/entity-bulk-action/entity-bulk-action.element.ts b/src/Umbraco.Web.UI.Client/src/packages/core/entity-bulk-action/entity-bulk-action.element.ts
index 9e70a3ad03..4df57b2469 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/entity-bulk-action/entity-bulk-action.element.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/entity-bulk-action/entity-bulk-action.element.ts
@@ -6,7 +6,7 @@ import { UmbLitElement } from '@umbraco-cms/backoffice/lit-element';
 
 @customElement('umb-entity-bulk-action')
 export class UmbEntityBulkActionElement<
-	MetaType = MetaEntityBulkAction,
+	MetaType extends MetaEntityBulkAction = MetaEntityBulkAction,
 	ApiType extends UmbEntityBulkActionBase<MetaType> = UmbEntityBulkActionBase<MetaType>,
 > extends UmbLitElement {
 	@property({ attribute: false })
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/entity-bulk-action/entity-bulk-action.interface.ts b/src/Umbraco.Web.UI.Client/src/packages/core/entity-bulk-action/entity-bulk-action.interface.ts
index f399e101b8..aec4bdd613 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/entity-bulk-action/entity-bulk-action.interface.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/entity-bulk-action/entity-bulk-action.interface.ts
@@ -1,7 +1,9 @@
 import type { UmbEntityBulkActionArgs } from './types.js';
+import type { MetaEntityBulkAction } from '@umbraco-cms/backoffice/extension-registry';
 import type { UmbAction } from '@umbraco-cms/backoffice/action';
 
-export interface UmbEntityBulkAction<ArgsMetaType> extends UmbAction<UmbEntityBulkActionArgs<ArgsMetaType>> {
+export interface UmbEntityBulkAction<ArgsMetaType extends MetaEntityBulkAction>
+	extends UmbAction<UmbEntityBulkActionArgs<ArgsMetaType>> {
 	selection: Array<string>;
 
 	// I don't think we need this one, now that we have the above one? [NL]
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/entity-bulk-action/types.ts b/src/Umbraco.Web.UI.Client/src/packages/core/entity-bulk-action/types.ts
index f9588623f5..fe56b791bf 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/entity-bulk-action/types.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/entity-bulk-action/types.ts
@@ -1,4 +1,6 @@
-export interface UmbEntityBulkActionArgs<MetaArgsType> {
+import type { MetaEntityBulkAction } from '../extension-registry/models/entity-bulk-action.model.js';
+
+export interface UmbEntityBulkActionArgs<MetaArgsType extends MetaEntityBulkAction> {
 	entityType: string;
 	meta: MetaArgsType;
 }