ACF-Checkbox

  
//Code to display ACF checkboxes as list
add_shortcode('acfBr', 'brListFunction');
function brListFunction($atts, $content) {
	extract(shortcode_atts(array("id"=>'','field'=>''),$atts));
	if($field){
		if($id=''){
			global $post;
			$id=$post->ID;
		}
		$content=get_field($field,$id);
		return implode('<br>',$content);
	}
    return '';
}


//Then use the short code format to display the appropriate value:
[acfBr field="FIELD_NAME"]