# CTPerkFunction

## 导入类

It might be required for you to import the package if you encounter any issues (like casting an Array), so better be safe than sorry and add the import at the very top of the file.
```zenscript
import mods.pmmo.CTPerkFunction;
```


## 使用方式

:::group{name=apply}

This function represents the logic being executed for a perk.  All perks are provided the player this perk is contextually applicable to, a map of settings and the players current level in the skill associated in the users' config.

Returns: output data. not all events use output data, and your perk may not have anything to return.  In this case an empty map is sufficient.  
Return Type: [MapData](/vanilla/api/data/MapData)

```zenscript
CTPerkFunction.apply(player as Player, nbt as MapData, level as int) as MapData
```

| 参数     | 类型                                               | 描述                                                      |
| ------ | ------------------------------------------------ | ------------------------------------------------------- |
| player | [Player](/vanilla/api/entity/type/player/Player) | perk executor                                           |
| nbt    | [MapData #地图数据](/vanilla/api/data/MapData)       | data provided by PMMO                                   |
| level  | int                                              | the current level of the player in the skill configured |


:::




参数	类型	描述
参数 player	类型 Player	描述 perk executor
参数 nbt	类型 MapData #地图数据	描述 data provided by PMMO
参数 level	类型 int	描述 the current level of the player in the skill configured