public async Task FindByVoiceAsync()
{
IsListening = true;
_speechRecognizer = new SpeechRecognizer();
var wordsFromJson = _agendaService.GetWordsFromJson().Where(w => w.Length >= 3).Distinct().ToList();
_speechRecognizer.Constraints.Add(new SpeechRecognitionListConstraint(wordsFromJson, "keyword"));
await _speechRecognizer.CompileConstraintsAsync();
_speechRecognizer.ContinuousRecognitionSession.ResultGenerated +=
ContinuousRecognitionSession_ResultGenerated;
_speechRecognizer.HypothesisGenerated += SpeechRecognizerHypothesisGenerated;
await _speechRecognizer.ContinuousRecognitionSession.StartAsync();
}