Required. The parent, in the format projects/{project}/locations/{location}.

Optional. Requested page size. Server may return fewer items than requested. Page size is 500 if unspecified and is capped at 500 even if a larger value is given.

Optional. A token identifying a page of results the server should return.

The identifier of the source Agent. Format: * urn:agent:{publisher}:{namespace}:{name}

Optional. The identifier of the target Agent, MCP Server, or Endpoint. Format: * urn:agent:{publisher}:{namespace}:{name} * urn:mcp:{publisher}:{namespace}:{name} * urn:endpoint:{publisher}:{namespace}:{name}