Application data model and logic Most applications need both a data model and application logic. Depending on the creation option you selected, one or more of these components may already exist. You can use the custom application record to see and navigate to these elements. Note: The application you select from the application picker determines both where and whether your changes are saved. Create an application data tableCreate one or more custom tables to store application-specific data.Design the user interfaceThe system automatically creates a list and form view for each application data table.Set application accessDefine what data other applications can access from this application.Add application logicAdd application-specific business logic by creating application files in existing platform tables.Creation restrictions across application scopesThe system restricts the creation of some configuration records when the current application scope does not match the application scope of the configuration record's target table.