Applies To: SharePoint Online and SharePoint On-premises
Please refer main article on Two-level Approval Functionality for the detailed description and other configurations. This article describes the workflow configurations required for approval process described in that article. And ensure that the required list schema is created before configuring these custom actions.
Workflow 1: Notify approver on task creation
Create a workflow on “Item Added” event on Approval Task list.
Send Mail action
Workflow 2: Notify Requester on Ticket Approve/Deny
Action 1: Send Mail to Requester on Ticket Approval
Action 2: Send Mail to Requester on Ticket denied