getTab method
Will get a collection of PcoPeopleTab objects (expecting one)
using a path like this: https://api.planningcenteronline.com/people/v2/field_definitions/1/tab
Implementation
Future<PcoCollection<PcoPeopleTab>> getTab({PcoPeopleTabQuery? query}) async {
query ??= PcoPeopleTabQuery();
var url = '$apiEndpoint/tab';
return PcoCollection.fromApiCall<PcoPeopleTab>(url,
query: query, apiVersion: apiVersion);
}