func (ms *MutableStateImpl) ApplyWorkflowExecutionSignaled(
event *historypb.HistoryEvent,
// Increment signal count in mutable state for this workflow execution
ms.executionInfo.SignalCount++
// Add signal requestID to workflow CHASM tree (if feature is enabled)
signalEventAttrs, ok := event.GetAttributes().(*historypb.HistoryEvent_WorkflowExecutionSignaledEventAttributes)
if !ok {
return softassert.UnexpectedInternalErr(
ms.logger,