Call Azure function from Javascript

 <script type="text/javascript">
        function CallAzurefunction() {
            debugger;
            var data = {
                'name': 'testazure function'
            };

            var req = new XMLHttpRequest();
            req.open("POST", "AzureFunctionUrl&name=test", true);
            req.setRequestHeader("Accept", "application/json");
            req.setRequestHeader("Content-Type", "application/json; charset=utf-8");
            req.setRequestHeader("crossDomain", true);
            req.onreadystatechange = function () {
                if (req.readyState == 4 /* complete */) {
                    req.onreadystatechange = null;
                    if (req.status == 200) {

                        // alert("Project created");
                    } else {

                        //alert(error.message);
                    }
                }
            };
            //req.send(JSON.stringify(data));

            req.send();

        }
    </script>

Call Azure function from C# code

 string azureFunctionUrl = "";
            var content = new StringContent(jsonObjectString, Encoding.UTF8, "application/json");
            using (HttpClient client = new HttpClient())
            {
                client.DefaultRequestHeaders.Add("x-functions-key", "y3cQDQDJaPuZ6BH8G2aS4XoKo1c0ik0KjirVwU4REHvSBcFqWVTQrg==");
                client.DefaultRequestHeaders.Add("Accept", "application/json");
                //client.DefaultRequestHeaders.Add("Content-Type", "application/json; charset=utf-8");
                using (HttpResponseMessage response = client.PostAsync(azureFunctionUrl, content).Result)
                using (HttpContent respContent = response.Content)
                {
                    // ... Read the response as a string.
                    var tr = respContent.ReadAsStringAsync().Result;
                    // ... deserialize the response, we know it has a 'result' field
                    //dynamic azureResponse = JsonConvert.DeserializeObject(tr);
                    //// ... read the data we want
                    //result = azureResponse.result;
                }
            }

Fetch Xml,Group by Date field and then sort by same Date field

Get Latest records by ab_effectivedate field and aggregate EarnCode decimal field.

<fetch version='1.0' output-format='xml-platform' mapping='logical' distinct='false' aggregate='true'> <entity name='ab_deductionfringes'>
<attribute name='ab_effectivedate' alias='EffectiveDateYear' groupby='true' dategrouping='year'/>
<attribute name='ab_effectivedate' alias='EffectiveDateMonth' groupby='true'dategrouping='month'/>
<attribute name='ab_effectivedate' alias='EffectiveDateDay' groupby='true' dategrouping='day'/>
<attribute name='ab_earncode' alias='EarnCode' aggregate='sum' />
<order alias='EffectiveDateYear' descending='true' />
<order alias='EffectiveDateMonth' descending='true' />
<order alias='EffectiveDateDay' descending='true' />
 <filter type='and'>
  <condition attribute='ab_union' operator='eq'  uitype='ab_union' value='" + unionId + @"' />
   <condition attribute='ab_trade' operator='eq'  uitype='ab_trade' value='" + tradeId + @"' />
   <condition attribute='statecode' operator='eq' value='0' />
   <condition attribute='ab_effectivedate' operator='not-null' />
 </filter>
 </entity>
</fetch>