User Event script > check if value has been changed

User would like to know if some specific field has been changed in Suite Script Before or After Submit Function.

It can be achieved using nlapiGetOldRecord() API. See example below.

function userEventBeforeSubmit(type) {        oldRecord = nlapiGetOldRecord();        var oldValue =  oldRecord.getLineItemMatrixValue('price', 'price', 4, 1);        var newValue =	nlapiGetLineItemMatrixValue('price', 'price', 4, 1);	        // perform some action if values are not the same        if (oldValue != newValue) {                nlapiSetFieldValue('someFieldId','T');        }	}

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