unable to add validations for the fields

i am unable to add validations in this screen. can anyone guide me how can i add the validations.

@SivaP629 Following article might be helpful:

@SivaP629 Hi SIva, it seems you are working on a challenge? If yes, review the challenge walkthrough video for guidance on how to add conditions for field validations. Hint: start by clicking Add condition.

If that option is not working, let me know.

eddie