N/render Module
render.DataSource
Enum Description: Holds the string values for supported data source types. Use this enum to set the options.format parameter.
Supported Script Types: Server-side scripts For more information, see SuiteScript 2.0 Script Types.
Module: N/render Module
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=render.DataSource

// Code Example 1

//Add additional code

//...

renderer.addCustomDataSource({

    format: render.DataSource.JSON,

    alias: "JSON_STR",

    data: jsonString

    });

//...

//Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_4619588793.html