Help with slash commands

public override registerApplicationCommands(registry: Command.Registry) {
        registry.registerChatInputCommand((builder) =>
            builder
                .setName("find")
                .setDescription("Find a user on the server list.")
                .addStringOption((option) =>
                    option
                        .setName("user")
                        .setDescription("User to find.")
                        .setRequired(true),
                )
                .setDMPermission(false)
                .setDefaultMemberPermissions(PermissionFlagsBits.KickMembers),
        );
    }