'Validate form' action missing in ui

There’s a ‘validate’ action for forms, however it’s missing in the UI.

Here it is using browser console:

image1045×233 24.1 KB

Here it is in a flow

 dmx-on:click="run([{run:{action:`submitOrder.validate()`}},{wait:{delay:1}},....

And at last, here we can see it missing in the data picker window:

image648×666 27.7 KB

The function seems to work perfectly fine I was validating each input field separately, but this way is better.