Task: Send a Whatsapp message via Twilio when a certain Onfleet event happens

n8n workflow JSON:
{"id":7,"name":"Onfleet Trigger --> Twilio Whatsapp","nodes":[{"name":"Twilio","type":"n8n-nodes-base.twilio","position":[680,300],"parameters":{"message":"=Your delivery is on the way, please visit {{$json[\"body\"][\"data\"][\"task\"][\"trackingURL\"]}} to track your driver's location.","options":{},"toWhatsapp":true},"credentials":{"twilioApi":{"id":"5","name":"Twilio account"}},"typeVersion":1},{"name":"Onfleet Trigger","type":"n8n-nodes-base.onfleetTrigger","position":[460,300],"webhookId":"db02ef2c-fda1-43f0-84d5-ba4ad7d5dea3","parameters":{"triggerOn":"taskCreated","additionalFields":{}},"credentials":{"onfleetApi":{"id":"2","name":"Onfleet API Key"}},"typeVersion":1}],"active":false,"settings":{},"connections":{"Onfleet Trigger":{"main":[[{"node":"Twilio","type":"main","index":0}]]}}}