I know this might seem simple but I did just what they wrote…reading the parameters and setting them with our variables. Can you please help?
Look more carefully at the code. Where is the variable parameters defined? Are you sure you stored the return values from the previous function call in the same variable name? E.g. not params? Probably another case of looking for something subtle and missing the obvious. 
I’m afraid that’s correct :D, everything is set now.
I’m about to finish 