For version 1.3, the response is always a RequestSecurityTokenResponseCollection object; for example:

<wst:RequestSecurityTokenResonseCollection xmlns:wst="http://docs.oasis-open.org/ws-sx/ws-trust/200512/">

Select version 1.2 or 1.3 in the WS-Trust Version drop-down list.

Note:

For more information about WS-Trust version 1.3, see http://docs.oasis-open.org/ws-sx/ws-trust/200512/ws-trust-1.3-os.html.