code: public SoapServerActionBuilder server(String soapServer) {
  		Assert.notNull(applicationContext, "Citrus application context is not initialized!");
  		SoapServerActionBuilder serverAction = new SoapServerActionBuilder(action, applicationContext.getBean(soapServer, Endpoint.class))
  				.withApplicationContext(applicationContext);
  		return serverAction;
  	}
docs: Initiate soap server action.