CreateInboxConversationRequestHeaderMedia
WhatsApp only. Overrides a media-header template's header asset for THIS send, so a template with an image/video/document header can carry a different asset per message (e.g. each recipient their own invoice PDF). Without it, the template's approved sample asset is sent. Provide exactly one of link or id.
| Name |
Type |
Description |
Notes |
| type |
TypeEnum |
Must match the template header's media type. |
|
| link |
String |
Public URL of the asset to send. Must be reachable without auth. |
[optional] |
| id |
String |
A Meta media id (from the media upload endpoint), as an alternative to link. |
[optional] |
| filename |
String |
Document display name shown to the recipient (e.g. "Factura 0001-123.pdf"). document type only; ignored for image/video. |
[optional] |
| Name |
Value |
| IMAGE |
"image" |
| VIDEO |
"video" |
| DOCUMENT |
"document" |