RETRIEVING ENTITY METADATA IN DYNAMICS 365 WITH JAVASCRIPT

 In this post, we will look at how to retrieve Entity Metadata in Dynamics 365 with JavaScript.

Let’s say you want to get the metadata for an entity.

var req = new XMLHttpRequest();

req.open("GET", Xrm.Utility.getGlobalContext().getClientUrl() + "/api/data/v9.0/EntityDefinitions(LogicalName='account')", true);

req.setRequestHeader("OData-MaxVersion", "4.0");

req.setRequestHeader("OData-Version", "4.0");

req.setRequestHeader("Accept", "application/json");

req.setRequestHeader("Content-Type", "application/json; charset=utf-8");

req.setRequestHeader("Prefer", "odata.include-annotations=\"*\"");

req.onreadystatechange = function() {

    if (this.readyState === 4) {

        req.onreadystatechange = null;

        if (this.status === 200) {

            var results = JSON.parse(this.response);

            console.log(results);

        } else {

            Xrm.Utility.alertDialog(this.statusText);

        }

    }

};

req.send();

Running this, we get: