Added callback to call screen

Author: prabhjot-msft

samples/CallWithChat/src/app/views/CallScreen.tsx

@@ -12,6 +12,7 @@ import {
   CallWithChatCompositeOptions,
   onResolveDeepNoiseSuppressionDependencyLazy,
   onResolveVideoEffectDependencyLazy,
+  Profile,
   toFlatCommunicationIdentifier,
   useAzureCommunicationCallWithChatAdapter
 } from '@azure/communication-react';
@@ -99,6 +100,17 @@ export const CallScreen = (props: CallScreenProps): JSX.Element => {
         laughReaction: { url: 'assets/reactions/laughEmoji.png', frameCount: 102 },
         applauseReaction: { url: 'assets/reactions/clapEmoji.png', frameCount: 102 },
         surprisedReaction: { url: 'assets/reactions/surprisedEmoji.png', frameCount: 102 }
+      },
+      onFetchProfile: async (userId: string, defaultProfile?: Profile): Promise<Profile | undefined> => {
+        if (userId.includes('8:orgid:')) {
+          return {
+            displayName: 'Teams Agent'
+          };
+        }
+        if (userId === '<28:orgid:Enter your teams app here>') {
+          return { displayName: 'Teams app display name' };
+        }
+        return defaultProfile;
       }
     };
   }, []);