Rock.Web.UI.Controls.MetricCategoryPicker.OnInit C# (CSharp) Method

        protected override void OnInit( EventArgs e )
        {
            ItemRestUrlExtraParams = "?getCategorizedItems=true&showUnnamedEntityItems=true&showCategoriesThatHaveNoChildren=false";
            ItemRestUrlExtraParams += "&entityTypeId=" + EntityTypeCache.Read( Rock.SystemGuid.EntityType.METRICCATEGORY.AsGuid() ).Id;
            this.IconCssClass = "fa fa-bar-chart-o";
            base.OnInit( e );
        }