async def METHOD_NAME(
    can_messenger: CanMessenger,
    v_ref: float,
) -> None:
    """Set gripper brushed motor reference voltage."""
    error = await can_messenger.ensure_send(
        node_id=NodeId.gripper_g,
        message=SetBrushedMotorVrefRequest(
            payload=payloads.BrushedMotorVrefPayload(
                v_ref=UInt32Field(int(v_ref * (2**16)))
            )
        ),
        expected_nodes=[NodeId.gripper_g],
    )
    if error != ErrorCode.ok:
        log.error(f"recieved error trying to set gripper vref {str(error)}")