thumbnail property

String? thumbnail
getter/setter pair

Thumbnail image used in the ad. Possible string values are:

  • "THUMBNAIL_UNSPECIFIED" : Unknown or unspecified.
  • "THUMBNAIL_DEFAULT" : The default thumbnail, can be auto-generated or user-uploaded.
  • "THUMBNAIL_1" : Thumbnail 1, generated from the video.
  • "THUMBNAIL_2" : Thumbnail 2, generated from the video.
  • "THUMBNAIL_3" : Thumbnail 3, generated from the video.

Implementation

core.String? thumbnail;