If a brand wants to create a product, he needs a planner to help him create a product plan. He needs his own buyer to purchase modules from Tuya. For products that have been shipped, he needs his own internal market operations staff and customer service to check the market. In the authorization management, the "developer" authority can be authorized to the solution provider, the "purchaser" can be authorized to purchase, the "data operation" can be authorized to the market operation personnel, and the "customer service" can be authorized to the customer service personnel.