Crystal Reports for Rational Application Developer Designer Guide

To create a custom function

  1. Click the Formulas tab.
    The Formulas page appears.
  2. Right-click Functions in the "Outline" view and click New.

    Tip: On the Formulas page, click New, and then click "New Function" to create a function.
  3. Right-click the new function, click Rename, and then enter a name for your custom function.
  4. Click the function in the Formulas page.
  5. Define your custom function.
    For more information on what syntax to use when writing a custom function, see Custom function syntax.

    Tip: Ctrl+Space will bring up a list of the available functions. (For some locales, you need to use a different shortcut to allow Content Assist to display the available functions, such as Alt+/. Check your Eclipse preferences to verify or set the Content Assist shortcut.) If you've started typing, Content Assist will bring up a list of keywords that are possible matches for what you've already typed.
  6. Check and save your custom function.
Once the custom function has been saved, you can modify it or use it in report formulas as needed.


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