gitlab-org--gitlab-foss/spec/fixtures/api/schemas/variable.json

{
  "type": "object",
  "required": ["variables"],
  "properties": {
    "variables": {
      "type": "array",
      "items": {
        "required": [
          "id",
          "key",
          "value",
          "protected"
        ],
        "properties": {
          "id": { "type": "integer" },
          "key": { "type": "string" },
          "value": { "type": "string" },
          "protected": { "type": "boolean" }
        }
      }
    }
  },
  "additionalProperties": false
}