Meta-event "step started" has a time attribute.

CHANGELOG.rst

@@ -6,6 +6,7 @@ Unreleased
 
  - (Added) Some documentation about running multiple statecharts.
  - (Added) An ``unbind`` method for an ``Interpreter``.
+ - (Changed) Meta-Event *step started* has a ``time`` attribute.
  - (Fixed) Hook-errors reported by ``sismic-bdd`` CLI are a little bit more verbose (`#81 <https://github.com/AlexandreDecan/sismic/issues/81>`__).
  - (Fixed) Optional transition for ``testing.transition_is_processed``, as previously promised by its documentation but not implemented.
 

sismic/interpreter/default.py

@@ -139,7 +139,7 @@ def bind_property_statechart(self, statechart_or_interpreter: Union[Statechart,
         Bind a property statechart to the current interpreter.
         A property statechart receives meta-events from the current interpreter depending on what happens:
 
-         - *step started*: when a macro step starts.
+         - *step started*: when a macro step starts. The current time of the step is available through the ``time`` attribute.
          - *step ended*: when a macro step ends.
          - *event consumed*: when an event is consumed. The consumed event is exposed through the ``event`` attribute.
          - *event sent*: when an event is sent. The sent event is exposed through the ``event`` attribute.
@@ -241,7 +241,7 @@ def execute_once(self) -> Optional[MacroStep]:
             return None
 
         # Notify properties
-        self._notify_properties('step started')
+        self._notify_properties('step started', time=self._time)
 
         # Consume event if it triggered a transition
         if computed_steps[0].event is not None: