'Create an Activity.
:param friendly_name: A human-readable name for the activity, such as
\'On Call\', \'Break\', \'Email\', etc. Must be unique in this Workspace.
These names will be used to calculate and expose statistics about
workers, and give you visibility into the state of each of your
workers.
:param available: Boolean value indicating whether the worker should be
eligible to receive a Task when they occupy this Activity. For
example, a call center might have an activity named \'On Call\' with
an availability set to \'false\'.'

def create(self, friendly_name, available):

    return self.create_instance({'friendly_name': friendly_name, 'available': available})
