public function addCertification(\Librinfo\SeedBatchBundle\Entity\Certification $certifications)
    {
        $this->certifications[] = $certifications;

        return $this;
    }
public function addCertification(\Librinfo\SeedBatchBundle\Entity\Certification $certifications)
    {
        $this->certifications[] = $certifications;

        return $this;
    }
public function addCertification ( \ Librinfo \ SeedBatchBundle \ Entity \ Certification $ certifications ) { $ this -> certifications [ ] = $ certifications ; return $ this ; }
Add certifications.

@param \Librinfo\SeedBatchBundle\Entity\Certification $certifications

@return Plot
Add certifications .