Yes, it is in the settings.

Go to the file manager to find this audio. After long pressing, there is a "Set as" option in the "More" option. After clicking it, there is a "Set as alarm ringtone". After selecting it, add a new alarm clock. I have chosen a custom ringtone before.

HUAWEInova9 is equipped with Qualcomm Snapdragon 778G4G eight-core processor, pre-installed with HarmonyOS2 operating system; rear 50-megapixel main lens + 8-megapixel ultra-wide-angle lens + 2-megapixel depth-of-field lens + 2-megapixel macro lens It has four cameras, supports multi-camera mode, AI beauty shot, super wide angle, night scene mode and other camera functions. It has a front-facing 32-megapixel lens; it is equipped with a 4300 mAh capacity non-removable battery; it is a 4G full Netcom mobile phone.