On Monday 6th February 2017caption and link_caption fields in ad creative will change datatype from String to URL. If you already use URLs for these fields, you are not impacted.
The data for a Call To Action button in an ad.
| Field | Description |
|---|---|
app_destinationstring | The app destination type. |
app_linkstring | Deep link to the app. |
applicationstring | Application related to the action. |
event_idnumeric string | ID of the Facebook event which the attachement show event info |
lead_gen_form_idstring | The Lead Ad form id. |
linkstring | The destination link when the CTA button is clicked. This is required to be same as the link url of the creative. |
link_captionstring | Caption shown in the attachment. The caption must be an actual URL and should accurately reflect the URL and associated advertiser or business someone visits when they click on it. |
link_formatstring | Link format of video. |
pagestring | ID of the Facebook page which the CTA button links to |
product_linkstring | Open graph object url for canvas virtual good ads. |