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# Type Alias: FlowSubFlowStepInput

> **FlowSubFlowStepInput**: [`FlowStepInput`](/docs/sdk/type-aliases/FlowStepInput.md) & `object`

Defined in: flow-builder.ts:100

Payload for a flow step that references another flow.

## Type declaration[​](#type-declaration "Direct link to Type declaration")

### flow?[​](#flow "Direct link to flow?")

> `optional` **flow**: `object`

#### flow\.id[​](#flowid "Direct link to flow.id")

> **id**: `string`

#### flow\.version?[​](#flowversion "Direct link to flow.version?")

> `optional` **version**: `string`

### version?[​](#version "Direct link to version?")

> `optional` **version**: `string`