Machine Entry Points

Machine Entry Points

To kick off a machine, you simply have to hit a url. E.g., if you have a machine called EmailBatch defined in your fsm.yaml, you can start the machine simply by hitting the url:

http://www.yourdomain.com/fantasm/fsm/EmailBatch/

The /fantasm/ root can be altered in your fsm.yaml file.

You can pass parameters to your machine on the query string. These parameters become part of the machine context.

http://www.yourdomain.com/fantasm/fsm/EmailBatch/?since=2010-08-10&new-users=True

The parameters are available immediately on your initial state:

def execute(self, context, obj): sinceStr = context['since'] newUsers = bool(context['new-users']) # ... ```

GET vs. POST

Each machine will persist the method that started it. For example, if you start the machine with a GET, all subsequent tasks for that machine (and replicas it creates through continuation) will use GET method.

If you start a machine with POST, you should not pass initial state arguments on the query string; instead you should pass them as regular POST args.