How to give custom field name in laravel form validation error message

Question

I was trying form validation in laravel. I have a input text field in my form called \'Category\' and i\'m given the field name as \'cat\' as short.

And i defined

Answer 1

Here is an Alternative $this->validate(request(), [rules], [custom messages], [Custom attribute name]);

            $this->validate(request(), [
                'fname' => "required|alpha_dash|max:20",
                'lname' => "required|alpha_dash|max:30",
                'extensionName' => "required|alpha_dash|max:20",
                'specialization' => "max:100",
                'subSpecialization' => "max:100"
            ], [], 
            [
                'fname' => 'First Name',
                'lname' => 'Last Name',
                'extensionName' => 'Extension Name',
                'specialization'=> 'Specialization',
                'subSpecialization'=> 'Sub Specialization'
            ]);