Added what's new entry.

Author: Lauragra

concepts/whats-new-overview.md

@@ -63,6 +63,10 @@ The new Microsoft Defender for Cloud apps API in Microsoft Graph is designed to
 - [discoveredCloudAppDevice](/graph/api/resources/security-discoveredcloudappdevice?view=graph-rest-beta&preserve-view=true)
 - [endpointDiscoveredCloudAppDetail](/graph/api/resources/security-endpointdiscoveredcloudappdetail?view=graph-rest-beta&preserve-view=true)
 
+### Teamwork and communications | AI interactions
+
+Use the [getAllEnterpriseInteractions](/graph/api/aiInteractionHistory-getAllEnterpriseInteractions) method to get Microsoft 365 Copilot interaction data, including user prompts to Copilot and Copilot responses. 
+
 ### Teamwork and communications | Calls and online meetings
 
 - Use the **allowedLobbyAdmitters** property on [onlineMeeting](/graph/api/resources/onlinemeeting?view=graph-rest-beta&preserve-view=true) to get or set the users who can admit from the lobby.