Checklist comes with a set of built-in statuses that Checklist items can be set to. The available statuses are:
To set status, the status option must be enabled for your JIRA instance. You must be an admin user to enable this option.
For more information, refer to Configuring a Checklist.
If the built-in statuses are not sufficient, you can create your own set of statuses when Configuring a Checklist.
Once the status option is configured, you can set status for the items as follows: