This section covers if you integrating OpsGenie. If you are using any other tool you can skip this section.
In OpsGenie, every team has lots of services. Each service has an escalation policy. Each escalation policy has an oncall schedule rotation associated with it.
In Pagerly, the schedule id is the id of this rotation schedule for which you want to manage the oncalls. Pagerly would fetch the current oncall from this schedule so that use mention/tag this current oncall anywhere on Slack
Your schedule Id can be found on the schedule page URL