element to the SOAP header of a message as defined by the OASIS WS-Security 1.0 specification. Usually, a timestamp is signed, as described in the
Signature policy assertion.
The Time To Live attribute indicates the limit on receiver side that the timestamp is validated against.
The Direction attribute indicates whether the timestamp is validated only at the invoked service, only on the server, or both. The values can be in (server), out (invoked service), or both.