Hi Su
You can try mx.data.get to retrive the object.
example:
mx.data.get(
{ guid: [],
callback: function(creditCard) { }});
I hope this helps
In the newer versions of Mendix, the React Client is the default setting for the runtime.
Still, it is possible to turn it off and use the old runtime, but you will lose the performance benefit of it. App Settings
The best practice for accessing data with the React Client is to pass it as a data source in the widget settings, allowing for more control over security and maintenance.