Post handler for overriding table methods modified field and validate Write

[PostHandlerFor(tableStr(InventTable), tableMethodStr(InventTable, modifiedField))]

public static void InventTable_Post_modifiedField(XppPrePostArgs args)

{

        //Getting the table buffer

        InventTable inventTable = args.getThis() as InventTable

       //Getting the field id method argument.

        FieldId fieldModified = args.getArg("_fieldId");

        switch (fieldModified)

        {

            //Here you can write your logic on modified field method

                break;

        }

}