michalvankodev-site/amplify/backend/backend-config.json

{
  "hosting": {},
  "function": {
    "authFunction": {
      "build": true,
      "providerPlugin": "awscloudformation",
      "service": "Lambda",
      "dependsOn": []
    }
  },
  "api": {
    "auth": {
      "service": "API Gateway",
      "providerPlugin": "awscloudformation",
      "dependsOn": [
        {
          "category": "function",
          "resourceName": "authFunction",
          "attributes": [
            "Name",
            "Arn"
          ]
        }
      ]
    }
  }
}