User data, which was set when authoring from Web Author, can be sent in key: value format to an object from the state event.
User data can also be obtained by using USERDATA in getProperty. Refer to the following for details. ▶ $wp.content
<html> <head> <script src="wplayer-api.1.0.0.js"></script> <script> const contentPropertyType = $wp.content.getPropertyType(); $wp.setDefaultCallback(function(object) { switch (object.type) { case 'state': switch (object.sub) { case 'ready': $wp.content.getPage(object.pageId).getElement('Text1').setProperty(contentPropertyType.TEXT, `${JSON.stringify(object.data)} from User Data`); break; default: break; } break; default: break; } }); </script> </head> </html>