# addStickerToSet

## Description

Use this method to add a new sticker to a set created by the bot. Returns True on success.


## Arguments

| Name | Type | Description |
| - | - | - |
| `user_id` | `#!python3 int` | User identifier of sticker set owner |
| `name` | `#!python3 str` | Sticker set name |
| `png_sticker` | `#!python3 Union[InputFile, str]` | Png image with the sticker, must be up to 512 kilobytes in size, dimensions must not exceed 512px, and either width or height must be exactly 512px. Pass a file_id as a String to send a file that already exists on the Telegram servers, pass an HTTP URL as a String for Telegram to get a file from the Internet, or upload a new one using multipart/form-data. |
| `emojis` | `#!python3 str` | One or more emoji corresponding to the sticker |
| `mask_position` | `#!python3 Optional[MaskPosition]` | Optional. A JSON-serialized object for position where the mask should be placed on faces |



## Response

Type: `#!python3 bool`

Description: Returns True on success.


## Usage


### As bot method bot

```python3
result: bool = await bot.add_sticker_to_set(...)
```

### Method as object

Imports:

- `from aiogram.methods import AddStickerToSet`
- `from aiogram.api.methods import AddStickerToSet`
- `from aiogram.api.methods.add_sticker_to_set import AddStickerToSet`

#### In handlers with current bot
```python3
result: bool = await AddStickerToSet(...)
```

#### With specific bot
```python3
result: bool = await bot(AddStickerToSet(...))
```
#### As reply into Webhook in handler
```python3
return AddStickerToSet(...)
```



## Related pages:

- [Official documentation](https://core.telegram.org/bots/api#addstickertoset)
- [aiogram.types.InputFile](../types/input_file.md)
- [aiogram.types.MaskPosition](../types/mask_position.md)
- [How to upload file?](../sending_files.md)