How can i create a data validation form?

Pooltronics are your local supplier of Dolphin robotic pool cleaner victoria Australia, offering the most efficient and cost-effective robotic pool cleaning solutions pool cleaner victoria Australia.

we have generated a form a contact form but it's not a data validated. therefore, we need want to make it more enhance and insert a data validation function.

Could you please provide more information along with the form URL? I checked the website and was not able to find any form embedded in that.

Also, may we know on what field you wish to set data validation?