> ## 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.

# TradeItemInput

> Address and blockchain selector used by the fastTrade GraphQL subscription.

### TypeScript shape

```ts theme={null}
interface TradeItemInput {
  address: string;
  blockchain: string;
}
```

<ResponseField name="address" type="String!" required>
  Address to subscribe to. In default mode this is a pair or pool address. In `assetMode`, this is a token contract address or Solana token mint. In `traderMode`, this is a wallet address.
</ResponseField>

<ResponseField name="blockchain" type="String!" required>
  Blockchain name or chain id, for example `ethereum`, `base`, `solana`, `evm:1`, or `solana:solana`.
</ResponseField>