You can configure your alerting system as Pagerduty, Opsgenie and VictorOps to send alerts to Rootly. That way you will be able to link alerts to your incidents.
Configure Pagerduty integration. Cf. https://rootly.io/docs/pagerduty-integration
Configure Opsgenie integration. Cf. https://rootly.io/docs/opsgenie-integration
Configure VictorOps integration. Cf. https://rootly.io/docs/victor-ops-integration
Configure Nobl9 integration. Cf. https://rootly.io/docs/nobl9-integration