This chapter describes a Java example of acquiring a vCenter Single Sign-On security token. What to read next vCenter Single Sign-On Token Request OverviewThe code examples in the following sections show how to use the Issue method to acquire a holder-of-key security token. Using Handler Methods for SOAP HeadersThe VMware vCenter Single Sign-On SDK provides sample code that is an extension of the JAX-WS XML Web services message handler (javax.xml.ws.handler). Sending a Request for a Security TokenAfter setting up the SOAP header handlers, the example creates a token request and calls the Issue method.