Backend\Modules\Profiles\Actions\Import::loadForm PHP Method

    private function loadForm()
    {
        // get group values for dropdown
        $ddmValues = BackendProfilesModel::getGroupsForDropDown($this->id);
        // create form and elements
        $this->frm = new BackendForm('import');
        $this->frm->addDropdown('group', $ddmValues);
        $this->frm->addFile('file');
        $this->frm->addCheckbox('overwrite_existing');
    }