Alterway\Component\Workflow\Builder::link PHP Method

    public function link($src, $dst, SpecificationInterface $spec)
    {
        if (null === $this->start) {
            throw new Exception\NoStartingNodeBuilderException();
        }
        $this->nodes->get($src)->addTransition($this->nodes->get($dst), $spec);
        return $this;
    }