In a standard SAP S/4HANA system, a customer wants to configure output by adding a new field to an existing form. In which case can the form modification be regarded as simple?
1. The field does NOT yet exist and needs to be added to the database.
2. The field exists in the communication structure, but its format needs to be changed before it can be integrated into the form
3. The field is NOT recognized in the processing program and needs to be added to the communication structure.
4. The field exists in the communication structure and can be integrated in its existing format.