https://www.mathworks.com/help/matlab/ref/matlab.net.queryparameter.string.html
matlab.net.QueryParameter.string - Encoded query parameter as string - MATLAB
This MATLAB function returns a QueryParameter object as an encoded string.
query parametermatlabqueryparameterstringencoded
https://www.mathworks.com/help/matlab/ref/matlab.net.queryparameter-class.html
matlab.net.QueryParameter - Parameter in query portion of uniform resource identifier (URI) - MATLAB
Use the QueryParameter class to create a URI query string of the form:
uniform resource identifier