The scenario is that Mobile device currently allows scanning and manual entry in all fields of mobile device. One of our client who is running a grocery business faces issue on daily basis where worker avoids scanning of barcodes and enter manually the item ID. Manual entry eventually increases high chance of human error which results in passing on the wrong products specially in outbound operations. To discourage workers from manual input, a mode of input should be given similar to preferred mode given on warehouse app field name where a single mode or multi can be selected to restrict action.