I believe it's used to set the name of the listener, that name can be later used to remove/un-register it (for example when the component is destroyed, or after a certain logic). https://cdn.discordapp.com/attachments/882984798719729704/1312607768821366794/image.png?ex=674d1cbf&is=674bcb3f&hm=e213fc70b7e864fd3af49df03cb4b12f39fba626fcdb526594f2f07487b4436d&