How to configurate "skip expression" in flowable-ui-modeler?

When I was using flowable-ui-modeler, I can’t found the configuration for “skip expression”,but it can be configured in eclipse designer.
How to configurate “skip expression” in flowable-ui-modeler?

As far as I can see, the skip expression has not been added to the modeler yet. Can you create an issue on Github so we can follow up?

Ok,I had created an issue on Github.