Setting name	Description
Allow Forms	Filter which options pages can be chosen
Appearance	Select the appearance of this field
Default Value	Enter each default value on a new line
Return Value	Return the options page object or options page name
Allow Null	Allow empty value
Layout	Choose the layout
Toggle	Allow to toggle all values
Allow Custom	Allow custom value
Save Custom	Save custom value in the field settings
Select multiple values	Allow multiple values selection
Stylised UI	Enable Select2 UI style

#Field Value

#Return Format: Options Page Object

$options_pages = get_field('options_pages');

/**
 * array(
 *     'page_title'      => 'My Options Page',
 *     'menu_title'      => 'My Options Page',
 *     'menu_slug'       => 'my-options-page',
 *     'capability'      => 'edit_posts',
 *     'parent_slug'     => '',
 *     'position'        => null,
 *     'icon_url'        => '',
 *     'redirect'        => true,
 *     'post_id'         => 'options',
 *     'autoload'        => false,
 *     'update_button'   => 'Update',
 *     'updated_message' => 'Options Updated',
 * )
 */

#Return Format: Options Page Name

$options_pages = get_field('options_pages');

// my-options-page

#Unformatted Value

$options_pages = get_field('options_pages', false, false);

// my-options-page