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One of the best features in Power Scripts is customizing workflows. Using the power of SIL, you can add conditions, validators and post - functions on any transition from your workflow.
Writing Validators, Post
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Functions and Conditions
After install Power Scripts for Jira, go to the Administration > Workflows page and create a workflow, associated with a project.
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Returning into the transition screen, your newly added post - function will be reflected in the view:
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