Generates a password based on a given length and a number of special characters to include.

This action uses the .NET class  Membership. 

The inputs:

Length - The number of characters in the generated password. The length must be between 1 and 128 characters. 

numberOfNonAlphanumericCharacters - The minimum number of non-alphanumeric characters (such as @, #, !, %, &, and so on) in the generated password.