In Labview, is there an easy way to implement a string input from the operator with a dialog box?

I have a production test system that I want the operator to enter the serial number through a dialog box. As I've currently done it, there's a string control on the front panel to enter the serial number, but the program will run without it. Any helpful hints would be greatly appreciated.

make a special vi with only the string as a control and a second string as an indicator connected to it. This string might be hidden after you connect this indicator to the connector. In the vi-properties select dialog and off you go.
greetings from the Netherlands

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