Details payload for ACTION_NOT_ALLOWED errors. Lets buyer SDKs offer a structured recovery path without a separate get_media_buys round-trip.
Optional
Echo of the buy's resolved available_actions[] at rejection time. Buyer SDKs render this to the caller as the recovery option set.
available_actions[]
Details payload for ACTION_NOT_ALLOWED errors. Lets buyer SDKs offer a structured recovery path without a separate get_media_buys round-trip.