apply_filters( 'cloudinary_is_deliverable', $is, $attachment_id ) → {bool}
    Filter deliverable attachments.
    Parameters:
| Name | Type | Description | 
|---|---|---|
$is | 
            
            bool | The default value. | 
$attachment_id | 
            
            int | The attachment ID. | 
- Source:
 
Returns:
- Type
 - bool