{ buildApp, nextcloudVersion }:
assert nextcloudVersion >= 17 && nextcloudVersion <= 19;
buildApp rec {
  appName = "contacts";
  version = "3.3.0";
  url = "https://github.com/nextcloud/${appName}/releases/download/v${version}/${appName}.tar.gz";
  sha256 = "187avlksg4k7ci3jz4djfq8zfyq5jpvhbw2dzlp76wlppm1al4m0";
}