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2 HIDs in one composite USB code

I need to write 2HIds in one composite device in STM32 microcontrollers.One for pointer mouse operation and other one for keypad operation.So i wish to know is it possible to do so?If yes will I need to write 2 separate report descriptors.I am using 2 interfaces and 2 ENDPOINTS (enp1 and enp2). Please help...