N/ui/message Module
message.create()
Method Description: Creates a message that can be displayed or hidden near the top of the page.
Returns: message.Message.
Supported Script Types: Client scripts For more information, see SuiteScript 2.0 Client Script Type.
Governance: None
Module: N/ui/message Module
Since: 2016.1
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=message.create(options)

// Code Example 1

//Add additional code

  ...

var myMsg = message.create({

    title: "My Title",

    message: "My Message",

    type: message.Type.CONFIRMATION

});

//...

   //Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_4497873263.html