I'm trying to create a user event script so that I can read the values (To Bins) inside the inventory detail subrecord for every line. Have something like this:-
var invt=nlapiLoadRecord('inventorytransfer', 123222);
invt.selectLineItem('item', 1);
var invDetailSubrecord = invt.viewCurrentLineItemSubrecord('item', 'inventorydetail');
invDetailSubrecord.selectLineItem('inventoryassignment', 1);
var invnum = invDetailSubrecord.getCurrentLineItemValue('inventoryassignment', 'inventorynumber')
nlapiLogExecution('debug', invnum, '', '');
But I got an error. I'm also not sure what is the exact field name for 'To Bins' column. Am I missing something?