public function process()
    {
        if ($this->isDerivedAttribute($this->attribute)) {
            return $this->createAgeVerification($this->attribute);
        }
        return null;
    }
public function process()
    {
        if ($this->isDerivedAttribute($this->attribute)) {
            return $this->createAgeVerification($this->attribute);
        }
        return null;
    }
public function process ( ) { if ( $ this -> isDerivedAttribute ( $ this -> attribute ) ) { return $ this -> createAgeVerification ( $ this -> attribute ) ; } return null ; }
Process derived attribute.

@return AgeVerification|null
Process derived attribute .