// MY CODE, IS THERE SOMETHING WRONG, MY VERSION IS 9.1
var loggedInUserId = Xrm.Page.context.getUserId();
loggedInUserId = loggedInUserId.replace('{', '').replace('}', '');
var req = new XMLHttpRequest();
var globalContext = Xrm.Utility.getGlobalContext();
var uri=globalContext.getClientUrl();
req.open("GET", uri + "/api/data/v9.1/teams$select=name&$expand=teammembership_association($filter=systemuserid eq "+loggedInUserId+")",false);
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.onreadystatechange = function() {
if (this.readyState === 4) {
req.onreadystatechange = null;
if (this.status === 200) {
var results = JSON.parse(this.response);
// I have not tried you can debug results part
for (var i = 0; i < results.value.length; i++) {
var teamname = results.value[i]["name"];
}
} else {
Xrm.Utility.alertDialog(this.statusText);
}
}
};
req.send();