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# Type Alias: FlowServiceStepInput

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

Defined in: flow-builder.ts:43

Payload for a flow step that references a service.

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

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

> `optional` **service**: `object`

#### service.id[​](#serviceid "Direct link to service.id")

> **id**: `string`

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

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

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

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