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adding a penInput signature in the approval response

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hello everyone. I'm creating a canvas app that helps HR to request vacations, licenses, non-paid days off and to justify late arrivals and absences. The app is almost done with all the design and controls, one flow that gets the person's information and the number of days available to request, and another that creates the HR request and starts the approval process with the person's manager. even I've achieved to approve requests in the testings

In the app, there is a penInput field that allows the person to sign the request, and store it as an attachment in the sharepoint list element. This is due to the regulations of internal audit, since each application must have the signature of the requesting person. The problem is that the approver must also sign, and I don't know how to request the approver's signature before or after giving their response and to build the requesting signature interface.
The data is taken from the tenant and a custom-built RestFUL service to extract the amount of vacation from the HR system.

Any ideas on how to request and store the approver's signature? is there any way to modify the approval screen in order to request the signature?

thank you

  • Verified answer
    jdanielhdezr Profile Picture
    jdanielhdezr on at
    Re: adding a penInput signature in the approval response

    Found my own solution: I created a custom approval process. Through the app, The user creates a request and the app sets the approval status by default in Pending. This request is stored in a SharePoint list

    Then, in another powerapps screen, I filtered and added to a gallery all items that have been created by people who are managed by me and the approval status are in pending. Then I created another screen to check the selected item. I put a peninput field and two buttons for approve and reject. If I press any button, a flow is triggered and updates the item with the new approval status and adds another attachment with the approver signature. 

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