getFrom method

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

Implementation

Future<PcoCollection<PcoPeoplePerson>> getFrom(
    {PcoPeoplePersonQuery? query}) async {
  query ??= PcoPeoplePersonQuery();
  var url = '$apiEndpoint/from';
  return PcoCollection.fromApiCall<PcoPeoplePerson>(url,
      query: query, apiVersion: apiVersion);
}