# External Hook

## ITTHook

### didCall

```solidity
function didCall(bytes originalMsgData, address originalMsgSender) external
```

Forwards the call context from the hooked contract.

*Reverts within hooks will revert the hooked contract as well.*

#### Parameters

| Name              | Type    | Description                                  |
| ----------------- | ------- | -------------------------------------------- |
| originalMsgData   | bytes   | Forwarded calldata from the called function. |
| originalMsgSender | address | Forwarded sender from the called function.   |


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