Hi Every one,
In contact module I have to do email and phone number are unique in my contact module,
for that in
when I give duplicate mail Id (means already existing in another contact) It is below notification,
But here If I click save button one more record is creating ,But I should not able to create one more record on same email or phone number ,How can do this one .
Note : I should not able to create one more record on same email or phone number.