```ruby
module VCloud
  module RestApi
    include Session
    
    def refresh (session = current_session)
      #TODO: verify_ssl proper for prod
      request = RestClient::Request.new(
        :url => @href,
        :method => 'get',
        :verify_ssl => false,
        :headers => session.token.merge({ :accept => self.class.type+";version=#{session.api_version}" })
      )
      response = request.execute
      parse_response(response)
    end
          
    def create
    end
    
    def update
    end
    
    def delete      
    end
    
    def post (url, payload, content_type, session = current_session)
      #TODO: verify_ssl proper for prod
      request = RestClient::Request.new(
        :url => url,
        :method => 'post',
        :payload => payload,
        :verify_ssl => false,
        :headers => session.token.merge({
          :accept => VCloud::Constants::ACCEPT_HEADER+';version=#{@api_version}',
          :content_type => content_type})
      )
      puts request.inspect
      request.execute
    end
    
    #override to provide custom parsing
    def parse_response(response)
      parse_xml(response.body)
    end
    
  end
end```

Fix to include the indicated vcloud api version
user
```ruby
module VCloud
  module RestApi
    include Session
    
    def refresh (session = current_session)
      #TODO: verify_ssl proper for prod
      request = RestClient::Request.new(
        :url => @href,
        :method => 'get',
        :verify_ssl => false,
        :headers => session.token.merge({ :accept => self.class.type+";version=#{session.api_version}" })
      )
      response = request.execute
      parse_response(response)
    end
          
    def create
    end
    
    def update
    end
    
    def delete      
    end
    
    def post (url, payload, content_type, session = current_session)
      #TODO: verify_ssl proper for prod
      request = RestClient::Request.new(
        :url => url,
        :method => 'post',
        :payload => payload,
        :verify_ssl => false,
        :headers => session.token.merge({
          :accept => VCloud::Constants::ACCEPT_HEADER+";version=#{session.api_version}",
          :content_type => content_type})
      )
      puts request.inspect
      request.execute
    end
    
    #override to provide custom parsing
    def parse_response(response)
      parse_xml(response.body)
    end
    
  end
end```
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