setting up the get services in the above example we have also (optionallyindicated the type of the parameter by default the type will be stringhowever we know that the isbn is in fact an integer and so we have indicated that by prefixing the parameter name with the type int (and separated the type information from the parameter name by colon ':'there are actually several options available including string (the default)int (as used above)float for positive floating point valuesuuid for uuid strings and path which dislike string but accepts slashes we can again use browser to view the results of calling these servicesthis time the urls will be http: : /book/ for exampleas you can see from this the book information is returned as set of key/value pairs in json format