ruby on rails - What are the methods to ask user continue to fill the missing information contact -

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i installed facebook omniauth sign , when can subscribe no informations stocked in computer. wanna asked people complete subscribe send directly user @ contact form fill complementary information.

i don't know method call right link?

thank answer.enter image description here

its calling validation check link below

in model validates :name, presence: true

more info validation in rails


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