class_docstr: Checks whether an action is executed at the current step.
class_docstr_tok: ["Checks","whether","an","action","is","executed","at","the","current","step","."]
docstr: Returns the tag to be used in a config file for the negated version.
docstr_tok: ["Returns","the","tag","to","be","used","in","a","config","file","for","the","negated","version","."]
code: def negated_tag() -> Optional[Text]:
      """Returns the tag to be used in a config file for the negated version."""
      return "not_action"
  
imports: from rasa.shared.core.domain import Domain
  from typing import Optional, Text, List
  from rasa.core.evaluation.marker_base import OperatorMarker, ConditionMarker, MarkerRegistry, Marker
  from rasa.shared.core.events import ActionExecuted, SlotSet, UserUttered, Event
  import logging
label_desc: Use image node_id 2 for calling the ActionExecutedMarker obj's underlying member method code with example usage: obj.negated_tag() and returns: str