Data defining a child attachment associated with a link ad, used for Carousel ads.
| Field | Description |
|---|---|
call_to_action | Call to action of this attachment. On Facebook, we support
one optional CTA per attachment. If it not specified, there will
be no CTA for this attachment. |
captionstring | The display url shown at the end of a video, if the attachment is a video |
caption_idslist<numeric string> | The automated generated caption/SRT caption ids of the video. |
descriptionstring | Overwrites the description of each attachment on Facebook, not used on Instagram. |
image_crops | Image crops, using the crop spec with |
image_hashstring | The image hash of an uploaded image for this attachment. For an ad
on Facebook, if
neither |
linkstring | The link of this attachment. |
namestring | Overwrites the title of the attachment on Facebook, not used on Instagram. |
picturestring | The url of an image for this attachment. For an ad on Facebook, if
neither |
referral_idnumeric string | If you are running Referral Ads in the carousel format, provide this ID. You can generate this ID in Graph Explorer or via the Marketing API at the {ad_account_id}/referral endpoint. Facebook uses this ID to attribute conversions back to a referred ad and to render the correct deep-link to the individual item being referred. |
static_cardbool | Whether to force the card to render statically, even in a dynamic ad. |
video_idnumeric string | ID of an uploaded video, if this attachment is a video. Not supported for Instagram ads. |