Supported Column Names:

• Name: name, full_name, customer_name, first_name, last_name, fname, lname
• Email: email, e-mail, email_address, mail, e_mail
• Phone: phone, telephone, mobile, cell, phone_number, contact
• Other: age, address, occupation, area, city, country (will be detected but not stored)

Note: System automatically combines fname + name into full name. Only name, email, and phone are stored in database.