Task: Sending SMS to users

n8n workflow:
{"id":"1","name":"Send SMS to numbers stored in Airtable with Twilio","nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[250,300],"parameters":{},"typeVersion":1},{"name":"Airtable","type":"n8n-nodes-base.airtable","position":[450,300],"parameters":{"table":"","operation":"list","application":"","additionalOptions":{}},"credentials":{"airtableApi":""},"typeVersion":1},{"name":"Twilio","type":"n8n-nodes-base.twilio","position":[650,300],"parameters":{"to":"={{$node[\"Airtable\"].json[\"fields\"][\"Number\"]}}","from":"","message":"=Hello, {{$node[\"Airtable\"].json[\"fields\"][\"Name\"]}}!\nSending this SMS from n8n!"},"credentials":{"twilioApi":""},"typeVersion":1}],"active":false,"settings":{},"connections":{"Twilio":{"main":[[]]},"Airtable":{"main":[[{"node":"Twilio","type":"main","index":0}]]},"On clicking 'execute'":{"main":[[{"node":"Airtable","type":"main","index":0}]]}}}