action watchful_install_extension {
  label: "Install extension"
  provider: watchful
  method: POST
  path: "/sites/{id}/extensions"
  encoding: json
  input: {
    type: "object"
    properties: {
      id: {
        type: "string"
      }
      url: {
        type: "string"
      }
    }
    required: ["id", "url"]
    additionalProperties: false
  }
  output: {
    type: "object"
    additionalProperties: true
  }
}