private static Request BuildUpdateRequest(UpdateParticipantOptions options, ITwilioRestClient client) { return(new Request( HttpMethod.Post, Rest.Domain.Api, "/2010-04-01/Accounts/" + (options.PathAccountSid ?? client.AccountSid) + "/Conferences/" + options.PathConferenceSid + "/Participants/" + options.PathCallSid + ".json", client.Region, postParams: options.GetParams() )); }