public async Task <DocumentIndexResult> MergeOrUploadDocumentsAsync <T>(string indexName, T[] documents) { var indexClient = GetClient(indexName); var actions = new IndexAction <T>[] { }; foreach (var d in documents) { actions.Append(IndexAction.MergeOrUpload(d)); } var batch = IndexBatch.New(actions); return(await indexClient.Documents.IndexAsync(batch)); }