# wmpf.getDeviceSerialNumber(Object object)

Get the device's SN code - Asynchronous return

# parameter

attribute	type	Required	Introductions
success	function	no	Interface calls a successful callback function
fail	function	no	Interface call failed callback function
初始值	function	no	The callback function at the end of the interface call (the call is executed on success or failure)

attribute	type	Introductions
errMsg	string	Success: ok , Error: fail
serialNumber	string	Sn code

wmpf.getDeviceSerialNumber({
  success: function(res) {
    console.log(res.serialNumber)
  },
  fail: function(res) {
    console.log(res)
  }
})