zp_register_extra_item

native zp_register_extra_item(const name[], cost, teams) /** * Registers a custom class which will be added to the zombie classes menu of ZP. * * Note: The returned zombie class ID can be later used to identify * the class when calling the zp_get_user_zombie_class() natives. * * @param name Caption to display on the menu. * @param info Brief description of the class. * @param model Player model to be used. * @param clawmodel Claws model to be used. * @param hp Initial health points. * @param speed Maximum speed. * @param gravity Gravity multiplier. * @param knockback Knockback multiplier. * @return An internal zombie class ID, or -1 on failure. */ native zp_register_zombie_class(const name[], const info[], const model[], const clawmodel[], hp, speed, Float:gravity, Float:knockback) /** * Called when the ZP round starts, i.e. first zombie * is chosen or a game mode begins. * * @param gamemode Mode which has started. * @param id Affected player's index (if applicable). */ forward zp_round_started(gamemode, id) /**