Approve user requests to automatically install software

Approve user requests to automatically install software

Hi, Team,

on ManageEngine Blog (https://blogs.manageengine.com/desktop-mobile/desktopcentral/2016/12/16/desktop-centrals-self-service-portal-approve-user-requests-to-automatically-install-software.html) it is said that after approving a request for installing software, the software is automatically installed on the computer.
However, on the Endpoint Central manual (https://www.manageengine.com/products/desktop-central/help/software_installation/self_service_portal.html#req-for-approval) it is said that after approving the request, the "End users can install the software after been approved by the administrator".
I can figure it out the last one. Is it possible to have the first one also (automatically install the software after the SDP request has been approved)? How? 

Thanks.

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