Google Assistant Dialogflow API V2 webhook ETag error
问题 I'm trying to return simple text response and display a basic card within Google Assistant app using the following code: public GoogleCloudDialogflowV2WebhookResponse Search(GoogleCloudDialogflowV2WebhookRequest request) { GoogleCloudDialogflowV2WebhookResponse whr = new GoogleCloudDialogflowV2WebhookResponse(); whr.FulfillmentMessages = new List<GoogleCloudDialogflowV2IntentMessage>(); whr.FulfillmentMessages.Add(new GoogleCloudDialogflowV2IntentMessage() { Platform = "ACTIONS_ON_GOOGLE",