Function: buildSerialRequestOptions()

function buildSerialRequestOptions(bluetoothServiceClassIds?: readonly (string | number)[]): SerialPortRequestOptions;

Build Web Serial request options, optionally including Bluetooth service class IDs so paired SPP devices with custom UUIDs appear in the picker.

For printers that advertise standard Serial Port Profile (UUID 0x1101, which is most thermal printers with classic Bluetooth), no options are needed — pass the result as-is or call WebSerialTransport.request() without arguments.

For printers with a custom RFCOMM service class, pass those UUIDs here.

Parameters

Parameter	Type
bluetoothServiceClassIds?	readonly (string | number)[]

Returns

SerialPortRequestOptions