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Create Function
Modules for Input Validation
In this IMG activity, you create the function
modules you want to use as check functions in input validations.
For the system to be able to perform input
validation correctly in the PI sheet, bear the following in mind:
- Input validation may be carried out several
times in the PI sheet. For this reason, the function module must be programmed
in such a way that it can be called repeatedly and several times.
- The function module must return an exception
for invalid input values. The corresponding system messages is displayed as a
warning in the PI sheet.
If the function
module does not return an exception, the input value is regarded as valid in
the PI sheet.
Activities
Create the required function modules in the
customer namespace.
Caution:
Customer data that is not within the customer
namespace is overwritten in release upgrades. For this reason, use names that
begin with the following characters:
- Function groups, with
Y or Z
- Function modules, with
Y_ or Z_
Further
Notes
For general information on function module
processing, refer to Application Help.