[@nevermined-io/nevermined-sdk-js](../code-reference.md) / Stage

# Interface: Stage

## Table of contents

### Properties

- [index](Stage.md#index)
- [input](Stage.md#input)
- [output](Stage.md#output)
- [requirements](Stage.md#requirements)
- [stageType](Stage.md#stagetype)
- [transformation](Stage.md#transformation)

## Properties

### index

• **index**: `number`

#### Defined in

[src/ddo/MetaData.ts:27](https://github.com/nevermined-io/sdk-js/blob/55f88d2/src/ddo/MetaData.ts#L27)

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### input

• **input**: [`StageInput`](StageInput.md)

#### Defined in

[src/ddo/MetaData.ts:30](https://github.com/nevermined-io/sdk-js/blob/55f88d2/src/ddo/MetaData.ts#L30)

___

### output

• **output**: [`StageOutput`](StageOutput.md)

#### Defined in

[src/ddo/MetaData.ts:32](https://github.com/nevermined-io/sdk-js/blob/55f88d2/src/ddo/MetaData.ts#L32)

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### requirements

• **requirements**: [`StageRequirements`](StageRequirements.md)

#### Defined in

[src/ddo/MetaData.ts:29](https://github.com/nevermined-io/sdk-js/blob/55f88d2/src/ddo/MetaData.ts#L29)

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### stageType

• `Optional` **stageType**: `string`

#### Defined in

[src/ddo/MetaData.ts:28](https://github.com/nevermined-io/sdk-js/blob/55f88d2/src/ddo/MetaData.ts#L28)

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### transformation

• **transformation**: [`StageTransformation`](StageTransformation.md)

#### Defined in

[src/ddo/MetaData.ts:31](https://github.com/nevermined-io/sdk-js/blob/55f88d2/src/ddo/MetaData.ts#L31)