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1. Create a new OTRS ticket directly in the configured status or select an existing one that is already in the status but doesn't have a linked JIRA issue.
2. Click the 'OTRS to JIRA' button
   
3. A new JIRA issue will be created directly or if configured a pop-up will appear to set some values for the JIRA issue.
   

Update

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a JIRA

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Issue

As long as the ticket is in a status that has been specified for this case (OTRSTicketAllowedStates4Update) all configured fields will be transmitted automatically to JIRA.

Use Automatic

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Closing of a JIRA

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Issue

When a ticket is escalated into a specified status (OTRSTicketAllowedStates4Close) the linked JIRA issue will be closed automatically.