--  CREATE RSVP CSI
if @response_code = 4 and @url is not null
    begin
        if @url = 'http://tickets.mctommerson.net.au/QA11/mctommerson_rsvp/response_01.html'
            begin
                --  create appropriate CSI
                
            end  
        if @url = 'http://tickets.mctommerson.net.au/QA11/acmi_rsvp/response_02.html'
            begin
                --  create appropriate CSI
                
            end  
        if @url = 'http://tickets.mctommerson.net.au/QA11/mctommerson_rsvp/response_03.html'
            begin
                --  create appropriate CSI
                
            end  
    end