Basho\Riak\Node\Builder::withCertificateAuthorityFile PHP Method

Path to CA file. A Certificate Authority file is required for any secure connections to Riak

public withCertificateAuthorityFile ( $ca_file )
$ca_file

    public function withCertificateAuthorityFile($ca_file)
    {
        $this->config->setCaFile($ca_file);
        return $this;
    }

Builder