Can I make custom validation rules?

Can I make custom validation rules? I’m on NodeJS

Perhaps a little more detail what you are thinking of, maybe an example scenario?

I want to use Validate data step with validation rules that don’t exist in Wappler, e.g.:

P.S.: I managed to workaround

Are you referring to server- or client-side validation?

Server-side validation

Use the pattern validation, where you can enter a regular expression:

Is this available in v6.8?

Oh, I wanted to use an npm package for validation :laughing:
But don't worry, I already worked around

This feature is quite old, it's certainly available on v6.8