public async Task Collection() { await Arango.CreateCollectionAsync("test", "test", ArangoCollectionType.Document); await Arango.CreateDocumentAsync("test", "test", new { Key = "abc", Name = "a" }); var res = await Arango.UpdateDocumentAsync("test", "test", new { Key = "abc", Name = "c" }, returnNew : true, returnOld : true); }