[Wamr]

public void init()
{
    FormBuildDesign             formBuilddesign = form.design();
    FormBuildGroupControl       formBuildGroupControl = form.design().control('AddGroup');
    formBuildStringControl      bc;
    ;

    bc = formBuildGroupControl.addControl(FormControlType::STRING,'RunTimeControl');
    bc.extendedDataType(typeId2ExtendedTypeId(typeId(Dimension)));
    bc.arrayIndex(2);

    super();
}