Guides do not exist in app.activeDocument.

[momu-2016]

Hello, I am trying to develop a Photoshop plugin using uxp and following the API document guides. As written in the document, I use the following code:

const app = require("photoshop").app;
app.activeDocument.guides.add(Constants.Direction.HORIZONTAL, 20);

However, when I debug the code, I found that there is no "guides" in the "app" object, and the breakpoint debugging is as follows:

This issue has left me confused, and I'm looking forward to your answer. Thank you very much.