public function createFromConnectionName($connectionName, Identity $identity)
    {
        $connection = $this->connectionRegistry->getConnection($connectionName);

        return $this->createFromConnection($connection, $identity);
    }
public function createFromConnectionName($connectionName, Identity $identity)
    {
        $connection = $this->connectionRegistry->getConnection($connectionName);

        return $this->createFromConnection($connection, $identity);
    }
@param string   $connectionName
@param Identity $identity

@return Channel