How do I create a new Custom Function in Vtiger?

Follow the steps below to create a Custom Function:

1. Log in to the CRM.
2. Go to Settings.
3. Click Workflows under Automation.
4. Create Workflow.
5. Add basic details and enter the criteria.
6. Go to the Add Actions section.
7. Click + Add Function.
8. Enter the Function Name, Description, and Handler Class/Method.
9. Upload or write your PHP code in the specified file path.
10. Save and test it with a workflow.
11. Save Workflow.