Elevator for JIRA has a custom post function that can be added to your workflow to automate escalations. Below is a basic example on how to incorporate Elevator for JIRA into your workflow.
Accessing Workflow
From your project access Project Administration on the bottom left menu
From admin locate Workflows and select the Workflow you want to change
You will need administration rights to your project
Adding a workflow transition
Here we used Add Transition in the top menu bar called escalate and connected Open and Done
We selected the connector between Open and Escalate and then selected Post Functions in the transition edit box
From Post Functions option select add a Post Function
Select Escalate issue post function
Select your roster and select add
Once saved you will need to save your new workflow and backup the original if required.
Escalating an issue
You will see there is now an Escalate option in your issue workflow
Select escalate and the roster will be invoked and the issue assigned accordingly