Dynamics 365客户端编程示例：获取当前用户的信息，表单级通知/提示，表单OnLoad事件执行代码 Dynamics 365 获取用户角色名称再也不用额外查询一次了。

//定义命名空间，我一般用项目统一前缀加上实体去掉前缀后的架构名称(每个单词首字母大写)
var LuoYongWorkOrder = window.LuoYongWorkOrder || {};
(function () {
    this.formOnLoad = function (executionContext) {
        var formContext = executionContext.getFormContext();
        var myUniqueId = "B76C4FF7-AF21-434D-8482-D39AA02A5F0B";
        formContext.ui.setFormNotification("表单加载完毕，开始执行表单OnLoad代码!", "INFO", myUniqueId);
        //等5秒钟后清除前面代码显示在表单上的提醒
        window.setTimeout(function () { formContext.ui.clearFormNotification(myUniqueId); }, 5000);
        //获取当前用户的Guid
        var userId = Xrm.Utility.getGlobalContext().userSettings.userId;
        //获取用户的角色ID
        var roleIdArray = Xrm.Utility.getGlobalContext().userSettings.securityRoles;
        var roleIdFilter = "";
        roleIdArray.forEach(function (element) {
            roleIdFilter = roleIdFilter + "roleid eq " + element + " or ";
        });
        var userRoleNames = [];
        //通过Web API返回用户拥有的角色名称
        Xrm.WebApi.retrieveMultipleRecords("role", "?$select=name&$filter=" + roleIdFilter.substring(0, roleIdFilter.length - 3)).then(
            function success(result) {
                for (var i = 0; i < result.entities.length; i++) {
                    userRoleNames.push(result.entities[i]["name"]);
                }
                console.log("当前用户拥有" + userRoleNames.length + "个角色,分别为" + userRoleNames.join(","));
            },
            function (error) {
                console.log(error.message);
            }
        );
        Xrm.WebApi.retrieveRecord("systemuser", userId, "?$select=systemuserid&$expand=businessunitid($select=name)").then(
            function success(result) {
                console.log("用户所属的业务部门名称为:" + result.businessunitid.name);
                var formType = formContext.ui.getFormType();
                //只有当前表单是可编辑窗体时才限制省份可选列表，节约计算资源
                if (formType <= 2) {
                    //获取省份字段的所有可用选项信息
                    var provinceValidOptions = formContext.getAttribute("ly_province").getOptions();
                    if (result.businessunitid.name == "Demo") {
                        provinceValidOptions.forEach(
                            function (element) {
                                //移除不能让用户选择的选项
                                if (element.value != 430000) {
                                    formContext.getControl("ly_province").removeOption(element.value);
                                }
                            }
                        );
                    }
                    else if (result.businessunitid.name == "Sub Unit") {
                        provinceValidOptions.forEach(
                            function (element) {
                                if (element.value != 440000) {
                                    //移除不能让用户选择的选项
                                    formContext.getControl("ly_province").removeOption(element.value);
                                }
                            }
                        );
                    }
                }
            },
            function (error) {
                console.log(error.message);
            }
        );
    }
}).call(LuoYongWorkOrder);