diff --git a/packages/x-components/src/x-modules/related-prompts/events.types.ts b/packages/x-components/src/x-modules/related-prompts/events.types.ts
index 12d8c1f126..23998df6a3 100644
--- a/packages/x-components/src/x-modules/related-prompts/events.types.ts
+++ b/packages/x-components/src/x-modules/related-prompts/events.types.ts
@@ -13,4 +13,14 @@ export interface RelatedPromptsXEvents {
    * to conform a valid request.
    */
   RelatedPromptsRequestUpdated: RelatedPromptsRequest | null;
+  /**
+   * The selected prompt has changed.
+   * Payload: The index of the prompt in the RelatedPrompts list or -1 to remove selection.
+   */
+  UserSelectedARelatedPrompt: number;
+  /**
+   * The selected next query of the selected prompt has changed.
+   * Payload: The index of the next query in the NextQueries list or -1 to remove selection.
+   */
+  UserSelectedARelatedPromptQuery: number;
 }