如何将工具提示绑定到L.esri.DynamicMapLayer

Question

我可以将弹出窗口绑定到esri传单的L.esri.DynamicMapLayer图层，但是如何将工具提示绑定到DynamicMapLayer以下？

var featureLayer = L.esri.dynamicMapLayer({
        url: url,
        useCors: true
});