messenger_room_thumbnail_replace_get

publ Reference
# messenger_room_thumbnail_replace_get

Read a basic group and its completed room-bound image upload in the Messenger app (pApp D00003). Requires roomUuid and uploadTaskId. Returns a revision. Changes nothing.

## Inputs

| Field | Required here | Contract |
| --- | --- | --- |
| `target` | Yes | object |
| `target.roomUuid` | Yes | string; pattern `^[A-Za-z0-9_-]{1,200}$` |
| `target.uploadTaskId` | Yes | string; pattern `^[A-Za-z0-9_-]{8,80}$` |