After-sales service / customer support ticket refers to a document or electronic record that is created when a customer contacts a company for assistance or resolution of an issue with a product or service they have purchased. This ticket serves as a record of the customer’s inquiry and the company’s response, and is used to track the progress of the customer’s request until it is resolved. After-sales service / customer support tickets are an essential part of providing excellent customer service, as they ensure that all customer inquiries are addressed in a timely and efficient manner, leading to increased customer satisfaction and loyalty.