This explanation describes the FAB process flow and how it interfaces with ABAP and the SAP database.
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The code executed is on a control by control basis. Each control can have its own front end code written in Javascript that validates or manipulates the entered data. See ‘Actions on change’.
'Actions on change' tells FAB to execute the nominated function in the Script.
For an amount field, you may want to test for it being positive or that it is a number and has no characters.
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Discussed here are the ‘Form Saving’ methods. For an explanation of the ‘Form Loading’ methods go to step 13.
10. Data Submission Processing methods are before and when the user hits Draft or Submit or Approve.
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