getAttendances method
Will get a collection of PcoGroupsAttendance objects (expecting many)
using a path like this: https://api.planningcenteronline.com/groups/v2/events/1/attendances
Available Query Filters:
attended
Implementation
Future<PcoCollection<PcoGroupsAttendance>> getAttendances(
{PcoGroupsAttendanceQuery? query}) async {
query ??= PcoGroupsAttendanceQuery();
var url = '$apiEndpoint/attendances';
return PcoCollection.fromApiCall<PcoGroupsAttendance>(url,
query: query, apiVersion: apiVersion);
}