setPushableOptions()
setPushableOptions(array  $opts = array()) 
                Set default pushable options for model, uses an array with the keys
- category - string socket category user is subscribed to
- related - array of related properties to include when serializing
Example:
class Content extends BaseModel
{
   use Pushable;
   ...
   $this->setPushableOptions([
      'category' => 'contentupdate',
      'related' => [
          'export',
          'authors',
          'tags',
          'assignment',
          'attachment',
          'audit',
          'export',
          'dominantAttachment'
      ]
  ]
}Parameters
| array | $opts |