When a form is configured with a lookup button, you can enter values into fields that have been associated with a lookup button and find an AutoFill Keywords Set that contains the value(s) entered. For example, if you need to find an account number, but you only have a person's name and address, you can enter the information you have in the form when configured to do so. Then, click Lookup and find the account number you need to populate in the form. To use a lookup:
If using Unity Forms in conjunction with the Unity Briefcase, Lookup buttons are disabled when forms are opened in the Briefcase application.