The code below shows how to compute some descriptors of routes generated by different CASP tools. This is done by specifying the 'compute descriptors' string in the 'functionalities' list. By default all the available descriptors are calculated, however it is possible to specify the desired ones by passing their names to the 'descriptors' parameter as a list of strings. The output is stored in the 'descriptors' attribute of the output object as a pandas Dataframe, and it is also written to the 'descriptors.csv' file. Moreover, it is possible to use parallel computing by setting the argument 'parallelization' to True and selecting the number of CPUs to be used through the 'n cpu' parameter.