App ID: Use the same App ID used for the Polls feature. Changelog information: (https://github.com/sendbird/sendbird-chat-sdk-android/blob/main/CHANGELOG.md) For the UI, use the Slack pinned messages as a guide, shown below: 
App ID:
Use the same App ID used for the Polls feature.
Changelog information:
(https://github.com/sendbird/sendbird-chat-sdk-android/blob/main/CHANGELOG.md)
For the UI, use the Slack pinned messages as a guide, shown below: