...

1. Start the Joget Server and open the App Center.
   
   
2. Log in as admin and click on the pencil icon on the Expenses Claim to open the Design App . Composer (see Figure 1).
   
   Figure 1
   
   
3. Under FORMS Form Builder column, click on Expense Claim New (see Figure 2).
   
   
   Figure 2
   
   
4. Click on  the ID Generator Field element on the canvas to open up the Configure ID Generator Field properties. (see Figure 3)
   
   
   Figure 3
   
   
5. Take note of the Format.
   
   
6. To see it working, head back to the Design App Composer and click the Launch button in the UI column.
   
   
7. Click on Create a New Expense Claim button on the Dashboard, fill up the necessary details and click Continue Next Screen button. 
   
   
8. Click on Save As Draft button.
   
   
9. Go to My Expenses on the menu to the left and click on My Inbox.  Here you can see the ID generator has generated a 4 digit running number (as defined in the Format field in steps 4 & 5) under the # column . (see Figure 4).
   
   
   Figure 4

ID Generator Field Properties

...