OptionalsubjectOptionalcredentialOptionalaccessOptionalworkflowOptionalhostOptionalagentOriginal agent caller when an agent tool executes with delegated run-as identity.
OptionalcallerOptionalinvocationAgent tool refs granted to the operation request, when the request is executing as an agent tool.
Preserves the distinction between an omitted tool-ref context and an explicitly empty inherited tool-ref context.
OptionalrequestOptionalagent
RequestContext bundles the caller, credential, access, and host metadata for one operation.