code: public EventDetails withEventMetadata(java.util.Map<String, String> eventMetadata) {
          setEventMetadata(eventMetadata);
          return this;
      }
docs: <p>
  Additional metadata about the event.
  </p>
  
  @param eventMetadata
  Additional metadata about the event.
  @return Returns a reference to this object so that method calls can be chained together.