Sometime we have requirement to get domain name for crm user, we can use SystemUser entity to get this information, you can use below rest code for the same: function GetServerURL() { var serverUrl = Xrm.Page.context.getServerUrl(); if (serverUrl.match(//$/)) { serverUrl = serverUrl.substring(0, serverUrl.length – 1); } return serverUrl; } function GetDomainName() { var UserID = Xrm.Page.context.getUserId(); var ODataPath = GetServerURL()… Read more »