Conditionnals fields with Contact Form 7

Hi all,

I’m using CF7 to manage differents forms on my website but is there a way to create conditionnals fields… I mean :

“If I select 2 in a dropdown list, show me two input fields”.

Any idea to do this with another add-on, a hack, etc. ?

Thanks

https://www.ads-software.com/extend/plugins/contact-form-7/