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title: danog\MadelineProto\MTProtoSession\AckHandler: Manages acknowledgement of messages.
description: 

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# `danog\MadelineProto\MTProtoSession\AckHandler`
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> Author: Daniil Gentili <daniil@daniil.it>  
  

Manages acknowledgement of messages.  




## Method list:
* `ackOutgoingMessageId(string|int $message_id): bool`
* `gotResponseForOutgoingMessageId(string|int $message_id): bool`
* `ackIncomingMessageId(string|int $message_id): bool`
* `hasPendingCalls(): bool`
* `getPendingCalls(): array`

## Methods:
### `ackOutgoingMessageId(string|int $message_id): bool`

Acknowledge outgoing message ID.


Parameters:
* `$message_id`: `string|int` Message Id  



### `gotResponseForOutgoingMessageId(string|int $message_id): bool`

We have gotten response for outgoing message ID.


Parameters:
* `$message_id`: `string|int` Message ID  



### `ackIncomingMessageId(string|int $message_id): bool`

Acknowledge incoming message ID.


Parameters:
* `$message_id`: `string|int` Message ID  



### `hasPendingCalls(): bool`

Check if there are some pending calls.



### `getPendingCalls(): array`

Get all pending calls (also clear pending state requests).



## Properties
* `$shared`: `\DataCenterConnection` 
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