We can add a User Event – beforeLoad on the Message record to auto populate the custom fields from the custom record to the Email popup. Use the below code to set the value. /** * @NApiVersion 2.1 * @NScriptType UserEventScript */ /******************************************************************************************************************** * * Magswitch Technology-USA-NS * * MAGT-1224 : Multiple Email Population in… Continue reading How to automatically Populate NetSuite’s Email Composer with Additional Recipients Sublist?