> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mobula.io/llms.txt
> Use this file to discover all available pages before exploring further.
# PoolBalanceChangedEventData
> Payload for an Event with eventType=PoolBalanceChanged — Balancer V2 / Uniswap V4 multi-asset pool rebalance.
### TypeScript shape
```ts theme={null}
interface PoolBalanceChangedEventData {
amount0: string | null;
amount1: string | null;
amount0Shifted: string | null;
amount1Shifted: string | null;
token0: string | null;
token1: string | null;
sender: string | null;
protocolFeeAmount0: string | null;
protocolFeeAmount1: string | null;
liquidity0: string | null;
liquidity1: string | null;
type: EventType;
}
```
Always `"PoolBalanceChangedEventData"`.
Always `PoolBalanceChanged`.
Liquidity provider address.
First token of the (collapsed) two-token view.
Second token. N>2-asset Balancer events are collapsed to (token0, token1).
Signed delta for token0.
Signed delta for token1.
Decimal-shifted delta for token0. Null on the historical path.
Decimal-shifted delta for token1. Null on the historical path.
Protocol fee taken in token0.
Protocol fee taken in token1.
Pool liquidity for token0 after the event. Null on the historical path.
Pool liquidity for token1 after the event. Null on the historical path.