# Collect fee

## Function

clmmpool/sources/pool.move

```rust
/// Collect the fees earned from a given position.
///
/// # Arguments
///
/// _ `config` - A reference to the `GlobalConfig` object.
/// _ `pool` - A mutable reference to the `Pool` object.
/// _ `position_nft` - A reference to the `Position` object to collect fees from.
/// _ `recalculate` - A boolean indicating whether to recalculate the fees earned before collecting them.
///
/// # Generic Type Parameters
///
/// _ `CoinTypeA` - The type of the first coin in the pool.
/// _ `CoinTypeB` - The type of the second coin in the pool.
///
/// # Returns
///
/// A tuple containing the updated balances of `CoinTypeA` and `CoinTypeB`.
pub fun collect_fee<CoinTypeA, CoinTypeB>(
    config: &GlobalConfig,
    pool: &mut Pool<CoinTypeA, CoinTypeB>,
    position_nft: &Position,
    recalculate: bool,
): (Balance<CoinTypeA>, Balance<CoinTypeB>)
```

## Example

```rust
public entry fun collect_fee<CoinTypeA, CoinTypeB>(
    config: &GlobalConfig,
    pool: &mut Pool<CoinTypeA, CoinTypeB>,
    position: &mut Position,
    ctx: &mut TxContext,
) {
    let (balance_a, balance_b) = pool::collect_fee<CoinTypeA, CoinTypeB>(config, pool, position, true);
    // send_coin(coin::from_balance<CoinTypeA>(balance_a, ctx), tx_context::sender(ctx));
    // send_coin(coin::from_balance<CoinTypeB>(balance_b, ctx), tx_context::sender(ctx));
}
```


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