action ritc_remove_app_user_from_channel { label: "removeAppUserFromChannel" description: "Remove a user channel assignment" provider: ritc method: DELETE path: "/users/{user_id}/channels/{channel_id}" encoding: json input: { type: "object" properties: { channel_id: { type: "string" } user_id: { type: "string" } } required: ["channel_id", "user_id"] additionalProperties: false } output: { type: "object" additionalProperties: true } }