You should not need any custom coding. The barcoding software should automatically place any barcode reading into a webpage textfield for example!
So a simple page with a text field which is focused for the user upon scanning should feed the values into that text field. Then a user can click a button or something to pull that value and run any type of logic you desire.
For future reference: please SEARCH this forum as many questions have already been answered 2-3 times already.
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