> ## 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.
# SwapEventData
> Payload for an Event with eventType=Swap. Per-side amounts and prices.
### TypeScript shape
```ts theme={null}
interface SwapEventData {
amount0: string | null;
amount0In: string | null;
amount0Out: string | null;
amount1: string | null;
amount1In: string | null;
amount1Out: string | null;
amountNonLiquidityToken: string | null;
priceBaseToken: string | null;
priceBaseTokenTotal: string | null;
priceUsd: string | null;
priceUsdTotal: string | null;
tick: string | null;
type: EventType;
}
```
Always `"SwapEventData"`.
Always `Swap`. See [EventType](/api-reference/graphql/types/EventType).
Signed raw amount of token0 (positive = into pool, negative = out of pool).
Signed raw amount of token1.
Token0 amount entering the pool. Null on the historical path; populated by the live subscription.
Token0 amount leaving the pool. Null on the historical path.
Token1 amount entering the pool. Null on the historical path.
Token1 amount leaving the pool. Null on the historical path.
Decimal amount of the quote-side token. Populated only when the request specifies `quoteToken`.
Per-unit USD price for the quote-side token. Defaults to token0 if `quoteToken` not supplied.
Total USD value of the swap (`amount_usd`).
Per-unit price denominated in the chain's base token. Null on the historical path; populated by the live subscription.
Total swap value denominated in the chain's base token. Null on the historical path.
V3 post-swap pool tick. Null on the historical path (column not preserved at extraction time).