Use
You define the form interface to pass data to the form.

In the interface you can define import and export parameters, tables, and exceptions.
Prerequisites
The data retrieval program provides the data you want to include into the form. Therefore, you know the types of the corresponding variables.
Procedure

As export and import parameters any data types are allowed. On the Tables tab, however, you can pass only tables with a flat structure.

You can also use F1 help and F4 help for the input fields.
Result
You defined the form interface. You can use any parameters specified there as
fields in the form.