When extending a class, use classStr(<NameofBaseClass>)
When extending a table, use tableStr(<NameOfBaseTable>)
In the case of a form, use formStr(<NameOfBaseForm>)
When extending a form Datasource use formDataSourceStr(<NameOfBaseForm>,<NameOfDataSource>)
When extending a form Data field, use formDataFieldStr(<NameOfBaseForm>,<NameOfDataSource>,<NameOfField>)
For a form control, use formControlStr(<NameOfBaseForm>,<NameOfControl>)
When extending a data entity, use tableStr(<NameOfBaseDataEntity>)