code: public void addField(String fieldGroup, I_CmsFormField formField, String initialValue) {
  
          if (initialValue != null) {
              formField.getWidget().setFormValueAsString(initialValue);
          }
          addField(fieldGroup, formField);
      }
docs: Adds a form field to the form and sets its initial value.<p>
  
  @param fieldGroup the form field group key
  @param formField the form field which should be added
  @param initialValue the initial value of the form field, or null if the field shouldn't have an initial value