Dialogflow client library setAgent: error Error: 7 PERMISSION_DENIED: IAM permission 'dialogflow.agents.create' on 'projects/testsetagente' denied

Question

I\'m working on Node.js 14.15.1 on Win 10, using Dialogflow client library @google-cloud/dialogflow 3.3.0. I try to create programmatically an agent, this is my code:

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