# Hierarchy

**Derive**

# Properties

<a id="chain"></a>

##  chain

**● chain**: *`ReturnTypes`<[&quot;chain/index&quot;](../modules/_chain_index_.md)>*

*Defined in [index.ts:23](https://github.com/polkadot-js/api/blob/e177727/packages/api-derive/src/index.ts#L23)*

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<a id="session"></a>

##  session

**● session**: *`ReturnTypes`<[&quot;session/index&quot;](../modules/_session_index_.md)>*

*Defined in [index.ts:24](https://github.com/polkadot-js/api/blob/e177727/packages/api-derive/src/index.ts#L24)*

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