action ritc_update_channel_external_credentials { label: "updateChannelExternalCredentials" description: "Update credentials for a channel" provider: ritc method: PATCH path: "/apps/ext/api/credentials/{channel_id}" encoding: json input: { type: "object" properties: { channel_id: { type: "string" } } required: ["channel_id"] additionalProperties: false } output: { type: "object" additionalProperties: true } }