Making a Field on a Name or Matter Screen Required

In AbacusLaw, select File > Setup > User Preferences.
The User Preferences window opens. Select the Appearance tab, and then click Names or Matters under Screens, depending on the type of screen.
The Screens window opens. Highlight the screen that you want to edit and click Edit.
The Screen Designer window opens. Right-click the field that you want to make required.
The Field properties window opens. Do one of the following:
- If you only want the field to be required, in the Validation condition field, type !empty().
- If you want the field to be required AND you want an error message to appear for the user, in the Validation condition field, type (!empty(Value), .T., ErrBeep(“message”)) where message is the error message you want to appear for the user.
  
  For example, typing (!empty(Value), .T., ErrBeep(“Opened date cannot be empty”)) would display the following error message for the user when the field is not completed:
Click Done to save your changes.
Continue to click Done to close all the windows.