# Type aliases

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##  IdAndIndex

**Ƭ IdAndIndex**: *[`AccountId` | `undefined`, `AccountIndex` | `undefined`]*

*Defined in [balances/accountIdAndIndex.ts:15](https://github.com/polkadot-js/api/blob/ed1ad05/packages/api-derive/src/balances/accountIdAndIndex.ts#L15)*

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# Functions

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##  accountIdAndIndex

▸ **accountIdAndIndex**(api: *`ApiRx`*): `(Anonymous function)`

*Defined in [balances/accountIdAndIndex.ts:17](https://github.com/polkadot-js/api/blob/ed1ad05/packages/api-derive/src/balances/accountIdAndIndex.ts#L17)*

**Parameters:**

| Name | Type |
| ------ | ------ |
| api | `ApiRx` |

**Returns:** `(Anonymous function)`

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