Adding the PSWApproval Content Type to the Outcome Options in SharePoint 2013 Designer

Hi All,

I would like to add the "PSWApproval Task" Content Type in the sharepoint 2013designer, in the process of creating a project server 2013 workflow.

By default the Share point Designer is taking the Task content Type as Workflow Task. Can some one help me adding the PSWApproval Task here. Attached is the snapshot of the same.

Thanks