2.4.1 Create an Implementation Class

For most practical applications it is necesary to use ABAP code to facilitate tasks such as:
 

• defaulting field values
• back-end (SAP) validations
• determining approvers
• updating master data and/or performing SAP transactions

 
For this it is necessary to create an "Implementing Class" which is a subclass of /IQX/CL_FORMS_BASE_CLASS. This can be generated in the Properties or Form Life-Cycle dialog of the workbench.

Step-by-step guide

From the Properties

1. Click on 
2. Provide the Implementing Class name and click on  to create and activate the class
   
3. Click 

From the Code (Form Life-Cycle)

1. Click on 
2. Provide the Implementing Class name and click on  to create and activate the class
   
3. Click 

Related articles

• Page:
  2.1 Create an application
• Page:
  2.1.2 Properties
• Page:
  2.4.2 Re-define methods