One execute method

Author: tonywok

_posts/2020-06-24-the-command-pattern.md

@@ -155,6 +155,7 @@ Worth noting that as written, if the user doesn’t make a selection, the comman
 Here's a couples rules I try to follow:
 
 * Implement an instance method called `execute` (`call` is also a popular choice, but I don't use it because it makes me think of `block.call`)
+* You only get one `execute` method (if you need another, make another command)
 * The command doesn't expose instance methods that take arguments (this means you need to pass something smarter into the constructor)
 
 So, assuming we got past our validations, how does one cancel a subscription?