# Match ## Syntax Braces are **required**. ```thp val user_id = POST::get("user_id") match user_id | Some(id) { print("user_id exists: {id}") } | None { print("user_id doesn't exist") } match user_id | Some(id) { print("user_id exists: {id}") } | None { print("user_id doesn't exist") } match user_id | Some(id) if id > 0 { print("user_id exists: {id}") } | _ { print("user_id has other values ") } ```