public async Task <WiqlWorkItemLinkApiResponse> QueryWorkItems( string projectId, string iterationPath, bool isBacklog = false) { var url = $"DefaultCollection/{projectId}/_apis/wit/wiql?api-version=3.0"; var query = isBacklog ? GetBacklogQuery(iterationPath) : GetIterationQuery(iterationPath); var json = new { query }; return(await _apiClient.Post <WiqlWorkItemLinkApiResponse>(url, json)); }