Predefined demo imports Not Working

Hi,
I have tested your plug-in, but i couldn’t able to see the predefined demos in the plug-in settings. i have followed your instruction.

function ctdi_import_files() {
return array(
array(
‘import_file_name’ => ‘Demo 1’,
‘local_import_file’ => trailingslashit( get_template_directory() ) . ‘demo/style1/demo1-content.xml’,
‘local_import_widget_file’ => trailingslashit( get_template_directory() ) . ‘demo/style1/demo1-widgets.wie’,
‘local_import_customizer_file’ => trailingslashit( get_template_directory() ) . ‘demo/style1/demo1-customizer.dat’,
‘import_preview_image_url’ => trailingslashit( get_template_directory_uri() ) . ‘demo/style1/style1_preview.png’,
‘import_notice’ => __( ‘After you import this demo’, ‘my-domin’ ),
‘preview_url’ => ‘https://mysite.com/demo1/’,
),
array(
‘import_file_name’ => ‘Demo 1’,
‘local_import_file’ => trailingslashit( get_template_directory() ) . ‘demo/style2/demo2-content.xml’,
‘local_import_widget_file’ => trailingslashit( get_template_directory() ) . ‘demo/style2/demo2-widgets.wie’,
‘local_import_customizer_file’ => trailingslashit( get_template_directory() ) . ‘demo/style2/demo2-customizer.dat’,
‘import_preview_image_url’ => trailingslashit( get_template_directory_uri() ) . ‘demo/style2/style2_preview.png’,
‘import_notice’ => __( ‘After you import this demo’, ‘my-domin’ ),
‘preview_url’ => ‘https://mysite.com/demo2/’,
),
);
}
add_filter( ‘cp-ctdi/import_files’, ‘ctdi_import_files’ );