Task: Onboarding tutorial part 2

n8n workflow JSON:
{"nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[250,300],"parameters":{},"typeVersion":1},{"name":"Customer Datastore","type":"n8n-nodes-base.n8nTrainingCustomerDatastore","position":[450,300],"parameters":{},"typeVersion":1}],"connections":{"On clicking 'execute'":{"main":[[{"node":"Customer Datastore","type":"main","index":0}]]}}}