Function EditorResourcePreview.queueEditedResourcePreview

Queue a resource being edited for preview (using an instance). Once the preview is ready, your receiver.receiver_func will be called either containing the preview texture or an empty texture (if no preview was possible). Callback must have the format: (path,texture,userdata). Userdata can be anything.

void queueEditedResourcePreview(VariantArg3) (
  Resource resource,
  GodotObject receiver,
  in String receiver_func,
  in VariantArg3 userdata
);