The default retool form allows you to call a .validate() method that helps you know programmatically whether or not the form is in a valid state.
The JsonSchemaForm does not yet support this, but it should be simple to add as all it should take is a wrapper method around the .validateForm() function already built into react-jsonschema-form. See docs for this method here.
Filed + will update in this thread! 
Thank you so much!
Hey, are there any updates about this feature request?
Hi @obar-zik, no updates yet but I added your +1 to the request. 
would really appreciate this! curious / odd that it's not a feature available
Would also like this feature. Any updates @Paulo ? Thank you!
Hi @sgodoshian,
Unfortunately, no update here 
We're still tracking feedback & +1s, but transparently, this is currently in our backlog, so we don't have a timeline