# TicketingProductBase Product Base are the main elements of a catalog. They allow to group related products. They contain option with values that can be used to filter products. ## Retrieves the collection of TicketingProductBase resources. - [GET /v1/ticketing/catalogs/{catalogId}/product_bases](https://docs.korusticket.com/openapi/ticketingproductbase/api_v1ticketingcatalogs_catalogidproduct_bases_get_collection.md): Retrieves the collection of TicketingProductBase resources. ## Retrieves a TicketingProductBase resource. - [GET /v1/ticketing/catalogs/{catalogId}/product_bases/{id}](https://docs.korusticket.com/openapi/ticketingproductbase/api_v1ticketingcatalogs_catalogidproduct_bases_id_get.md): Retrieves a TicketingProductBase resource.