add facebook

Author: roger35972134

app/controllers/currency_controller.rb

@@ -127,7 +127,7 @@ def webhook3
 	#--------------------------------------------------------------
 
 	def webhook_facebook
-		Facebook::Messenger::Subscriptions.subscribe(access_token: ENV["FB_ACCESS_TOKEN"])
-		"OK"
+		#Facebook::Messenger::Subscriptions.subscribe(access_token: ENV["FB_ACCESS_TOKEN"])
+		render plain: params[‘hub.challenge’], status: 200
 	end
 end