How to validate form input value realtime?

[Miwa]

Hi @Teodor,

I found you explained this one.

Validating multi-step form

Hello @Seanhoots You can add validation to your inputs, and disable the next button also if an input is invalid. Example: The input has an email validation rule applied: [Screenshot_22] Then you can disable the button, when the input is empty or invalid: [Screenshot_23] Result: [validator]

I would like to do the similar thing, I want to check if "eventname" exists in db before going to the next step in multi steps form, like my questions above. how can I solve this problem? I still get 400 bad request error.