| Column | Required | Example |
|---|---|---|
| mobile | Yes | 500000000 |
| country_code | No | +966 |
| full_name | Yes | Customer Name |
| branch_id | Yes if no default branch | 1 |
| source, campaign, city, vehicle_of_interest, model_year, salary, salary_range, obligation, obligation_amount, pref_time, purchase_time, notes | No | Optional CRM details |