Yup. I've been doing custom integrations because of this. We have several alerting systems, and catching items getting added to (and leaving) a queue is an im

Yup. I've been doing custom integrations because of this. We have several alerting systems, and catching items getting added to (and leaving) a queue is an important one that I've added, along with other integrations with internal systems that exist where I work. One nice thing about slack is that writing these integrations are very, very simple.