//! [GET /_matrix/app/v1/rooms/{roomAlias}](https://matrix.org/docs/spec/application_service/r0.1.2#get-matrix-app-v1-rooms-roomalias) use ruma_api::ruma_api; use ruma_identifiers::RoomAliasId; ruma_api! { metadata: { description: "This endpoint is invoked by the homeserver on an application service to query the existence of a given room alias.", method: GET, name: "query_room_alias", path: "/_matrix/app/v1/rooms/:room_alias", rate_limited: false, requires_authentication: true, } request: { /// The room alias being queried. #[ruma_api(path)] pub room_alias: RoomAliasId, } response: {} }