To configure which fields are editable in the "Create Issue" dialog, do the following as OTRS administrator:

1. In the OTRS dashboard, select the Admin tab.
2. In the Admin tab, select SysConfig in the "System Administration" section.
   
   The "SysConfig" dialog appears.
   

3. In the "Actions" section, search for jira.
   The search results are displayed on the right.
   
   Select Core:REST in the list of search results.
   A list of settings is displayed. In this dialog, you can configure the following:

   Parameter	Description
   TicketJIRA###URL	Enter the JIRA base URL.
   TicketJIRA###Path	Enter the path of the REST API.
   TicketJIRA###User	Enter the name of the JIRA user being used for system login. You have to create this user on the OTRS server. This user must also be specified in the JIRA_SPECIAL_USER parameter in the otrsintegration.properties configuration file on your JIRA server.
   TicketJIRA###Password	Enter the password of the JIRA user being used for system login.
   TicketJIRA###Reporter	Enter the name of the JIRA user who will become the issue reporter when creating JIRA issues from OTRS tickets automatically.
   TicketJIRA###Assignee	Enter the name of the JIRA user who will become the first issue assignee.
   JIRA::NoAssignee	Enable if you do not want to send the assignee to JIRA.

    

   1.  

   2.  

   3.  

   4. TicketJIRA###IncomingUser

   5. TicketJIRA###WorkflowCloseActionName

   6. TicketJIRA###OTRSTicketAllowedStates4Create

   7. TicketJIRA###OTRSTicketAllowedStates4Close

   8. TicketJIRA###OTRSTicketAllowedStates4Update

   9. TicketJIRA###Project

   10. TicketJIRA###IssueType

   11. TicketJIRA###JIRA-DateTimeFormat

   12. TicketJIRA###JIRA-DateFormat

   13. TicketJIRA###OTRS-JIRA-FieldMapping

   14. JIRA::OTRSTicketIDField

   15. JIRA::CacheTTL

   16. JIRA::SSLVerify

   17. JIRA::ProjectWhitelist

   18. JIRA::ProjectBlacklist

   19. JIRA::IssueSearchMaxResults

   20. JIRA::IssueSearchStates

4. In the "JIRA::ShowProject" section, select Editable to make the JIRA project editable in the "Create Issue" dialog. Otherwise, select Hide to hide the field.
5. In the "JIRA::ShowAssignee" section, select Editable to make the JIRA assignee editable in the "Create Issue" dialog. Otherwise, select Hide to hide the field.
6. In the "JIRA::ShowIssueType" section, select Editable to make the JIRA issue type editable in the "Create Issue" dialog. Otherwise, select Hide to hide the field.
7. Click Update to activate your changes.