1. Go to Setup, and under Automation, click Workflows.
   
2. Click "Create Rule" from top right corner.
   In the Basic Information section, perform the following steps:
   
3. In the Module drop-down menu, select Tickets.
   
4. Enter a name and description for the rule.
   
5. If you want to activate the rule right away, select the Active checkbox. Else, you can just create the rule now and activate it later on the Rules page.
   
6. Click Next.
   In the Execute on section, perform the following steps:
   
7. Select the Create checkbox to execute this rule every time a new ticket is created.  
   
8. Click Next.
   
9. In the Criteria section, add "Channel Is Email" and click "Next".
   
   In the Actions section, perform the following steps:
   
10. Click the + icon under "Action" and select "New" next to Custom Functions
    
11. Enter a name and description for the custom function.
    
12. In the script window, input the Custom Function you find below:
    
    
1. OrgID = Paste your OrgID here;
2. getthreads = zoho.desk.getRelatedRecords(OrgID,"threads","tickets",ticketId,0,1);
3. threadid = getthreads.getJSON("data").getJSON("id");
4. getthreadcontent = zoho.desk.getRelatedRecordById(OrgID,"threads",threadid,"tickets",ticketId).getJSON("content");
5. updateticket = zoho.desk.update(OrgID,"tickets",ticketId,{"description":getthreadcontent});
6. info updateticket;


13. Click "Edit Arguments"
    
14. In the Name field type ticketId, and from the Value drop-down list select Ticket Id under Ticket Information. 
    
15. Click "Save" to save the custom function.
    
16. Click "Save" again to save the workflow.