getApp method

Will get a collection of PcoPeopleApp objects (expecting many) using a path like this: https://api.planningcenteronline.com/people/v2/message_groups/1/app

Implementation

Future<PcoCollection<PcoPeopleApp>> getApp({PcoPeopleAppQuery? query}) async {
  query ??= PcoPeopleAppQuery();
  var url = '$apiEndpoint/app';
  return PcoCollection.fromApiCall<PcoPeopleApp>(url,
      query: query, apiVersion: apiVersion);
}