import { Vercel } from "@vercel/sdk";

const vercel = new Vercel({
  bearerToken: "<YOUR_BEARER_TOKEN_HERE>",
});

async function run() {
  const result = await vercel.projects.createProjectEnv({
    idOrName: "prj_XLKmu1DyR1eY7zq8UgeRKbA7yVLA",
    upsert: "true",
    teamId: "team_1a2b3c4d5e6f7g8h9i0j1k2l",
    slug: "my-team-url-slug",
    requestBody: {
      key: "API_URL",
      value: "https://api.vercel.com",
      type: "plain",
      target: [
        "preview",
      ],
      gitBranch: "feature-1",
      comment: "database connection string for production",
      customEnvironmentIds: [
        "env_1234567890",
      ],
    },
  });

  console.log(result);
}

run();

{
  "created": {
    "type": "system",
    "value": "<string>",
    "key": "<string>",
    "target": [
      "production"
    ],
    "sunsetSecretId": "<string>",
    "decrypted": true,
    "vsmValue": "<string>",
    "id": "<string>",
    "configurationId": "<string>",
    "createdAt": 123,
    "updatedAt": 123,
    "createdBy": "<string>",
    "updatedBy": "<string>",
    "gitBranch": "<string>",
    "edgeConfigId": "<string>",
    "edgeConfigTokenId": "<string>",
    "contentHint": {
      "type": "redis-url",
      "storeId": "<string>"
    },
    "internalContentHint": {
      "type": "flags-secret",
      "encryptedValue": "<string>"
    },
    "comment": "<string>",
    "customEnvironmentIds": [
      "<string>"
    ],
    "system": true
  },
  "failed": [
    {
      "error": {
        "code": "<string>",
        "message": "<string>",
        "key": "<string>",
        "envVarId": "<string>",
        "envVarKey": "<string>",
        "action": "<string>",
        "link": "<string>",
        "value": "<string>",
        "gitBranch": "<string>",
        "target": [
          "production"
        ],
        "project": "<string>"
      }
    }
  ]
}