Once the claims provider is installed and activated you can set it as the default claims provider for your PingFederate Partner STS by doing the following:

  1. Open SharePoint Management Shell as an Administrator.
  2. Execute each command listed below.
    $ti = Get-SPTrustedIdentityTokenIssuer "<Partner STS Name>"
    $ti.ClaimProviderName = "PingIdentityPeoplePickerProvider"

    Replace "<PartnerSTSName>" with the name of your configured Trusted Identity Token Issuer.