Видео с ютуба Create Validation Rules || Add Business Logic To A Travel Approval App || Part 1
Create Validation Rules || Add Business Logic to a Travel Approval App || PART 1
Add Business Logic to a Travel Approval App | Challenge 1 to 6
Add Business Logic to a Travel Approval App --- Create Validation Rules trailhead challenge solution
Create Validation Rules || Add Business Logic to a Travel Approval App || Trailhead Challenge