### Additional functions

These are functions that are in User Function Libraries or UFLs. A UFL is a separate dynamic link library or Automation server that you create and that Seagate Crystal Reports can use to add your own customized functions to the formula language. Writing a UFL is more involved than writing a formula using Basic syntax or Crystal syntax. See Seagate Crystal Reports Developer's Help for details.

Note: Using UFLs makes your reports less portable because you must distribute your UFL along with the report.

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