# TotalLiquidityUpdated()

### event TotalLiquidityUpdated()

Every deposit and withdrawal on Bancor emits this event to indicate the updated pool size. 

```javascript
event TotalLiquidityUpdated(
        bytes32 indexed contextId,
        Token indexed pool,
        uint256 liquidity,
        uint256 stakedBalance,
        uint256 poolTokenSupply
);
```

| Parameter Name  | Type    | Description                                                                               |
| --------------- | ------- | ----------------------------------------------------------------------------------------- |
| contextId       | bytes32 | Unique identifier for the specific transaction (can be used for grouping multiple events) |
| pool            | Token   | The address of the token                                                                  |
| liquidity       | unit256 | The number of tokens available in the trading pool                                        |
| stakedBalance   | unit256 | The total number of tokens staked in the pool                                             |
| poolTokenSupply | unit256 | The number of Bancor outstanding pool tokens (bnTokens)                                   |

### Uses

This event can be used to:

* Monitor liquidity changes
* Track TVL
* Track total deposits vs trading liquidity

### Triggered By

This event is triggered by the following functions:

* deposit()
* depositPermitted()
* depositFor()
* depositForPermitted()
* withdraw()


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