messenger_promotion_get
# messenger_promotion_get
Read the Send to All screen of the Messenger app (pApp D00003, promotion extension Z00003) before sending one text or image (a completed messenger_media_upload_apply task for the promotion) to all channel members: the member count, this month's usage and your author profile [str_8367, str_7455]. Returns a revision. Sends nothing.
## Inputs
| Field | Required here | Contract |
| --- | --- | --- |
| `target` | Yes | one of: `TEXT`, `IMAGE`, `RECORD` (by `messageType`) |
| `target.text` | Yes | When `target.messageType` is `TEXT`: string; min length 1; max length 1000 |
| `target.mediaTaskId` | Yes | When `target.messageType` is `IMAGE`: string; pattern `^[A-Za-z0-9_-]{8,80}$` |
| `target.mediaTaskId` | Yes | When `target.messageType` is `RECORD`: string; pattern `^[A-Za-z0-9_-]{8,80}$` |