DisplayCallToAction

Data for display call to action. The call to action is a piece of the ad that prompts the user to do something. Like clicking a link or making a phone call.

Fields
text	string Text for the display-call-to-action.
text_color	string Text color for the display-call-to-action in hexadecimal, e.g. #ffffff for white.
url_collection_id	string Identifies the url collection in the ad.url_collections field. If not set the url defaults to final_url.