getPledgeCampaign method

Will get a collection of PcoGivingPledgeCampaign objects (expecting one) using a path like this: https://api.planningcenteronline.com/giving/v2/pledges/1/pledge_campaign

Implementation

Future<PcoCollection<PcoGivingPledgeCampaign>> getPledgeCampaign(
    {PcoGivingPledgeCampaignQuery? query}) async {
  query ??= PcoGivingPledgeCampaignQuery();
  var url = '$apiEndpoint/pledge_campaign';
  return PcoCollection.fromApiCall<PcoGivingPledgeCampaign>(url,
      query: query, apiVersion: apiVersion);
}