--- title: decryptedMessageActionNotifyLayer description: A notification stating the API layer that is used by the client. You should use your current layer and take notice of the layer used on the other side of a conversation when sending messages. image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Constructor: decryptedMessageActionNotifyLayer\_17 [Back to constructors index](index.md) A notification stating the API layer that is used by the client. You should use your current layer and take notice of the layer used on the other side of a conversation when sending messages. ### Attributes: | Name | Type | Required | Description | |----------|---------------|----------|-------------| |layer|[int](../types/int.md) | Yes|Layer number, must be **17** or higher (this contructor was introduced in [Layer 17](https://core.telegram.org/api/layers#layer-17)).| ### Type: [DecryptedMessageAction](../types/DecryptedMessageAction.md) ### Example: ```php $decryptedMessageActionNotifyLayer_17 = ['_' => 'decryptedMessageActionNotifyLayer', 'layer' => int]; ``` Or, if you're into Lua: ```lua decryptedMessageActionNotifyLayer_17={_='decryptedMessageActionNotifyLayer', layer=int} ```