# Bluetooth On UART Data Received Registers an event to be fired when one of the delimiter is matched. ```sig bluetooth.onUartDataReceived(",", () => {}) ``` ## Parameters * `delimiters` is a [string](/types/string) containing any of the character to match ## Example Read values separated by `,`: ```blocks bluetooth.onUartDataReceived(serial.delimiters(Delimiters.Comma), () => { basic.showString(serial.readUntil(serial.delimiters(Delimiters.Comma))) }) ```