Campaign governance plan identifier.
URL of the agent making the request (your seller agent).
OptionaltoolThe AdCP tool being governed (e.g., 'create_media_buy').
OptionalpayloadThe full tool arguments as they would be sent to the seller.
OptionalgovernanceOpaque governance context from a prior check_governance response.
OptionalpurchasePurchase type for the governance check.
OptionalauthAuth token for the governance agent.
URL of the governance agent's MCP endpoint.