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

# Interface: Service

## Table of contents

### Properties

- [definition](Service.md#definition)
- [spec](Service.md#spec)
- [specChecksum](Service.md#specchecksum)

## Properties

### definition

• **definition**: [`ServiceDefinition`](ServiceDefinition.md)

#### Defined in

[src/ddo/MetaData.ts:69](https://github.com/nevermined-io/sdk-js/blob/55f88d2/src/ddo/MetaData.ts#L69)

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### spec

• `Optional` **spec**: `string`

#### Defined in

[src/ddo/MetaData.ts:67](https://github.com/nevermined-io/sdk-js/blob/55f88d2/src/ddo/MetaData.ts#L67)

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### specChecksum

• `Optional` **specChecksum**: `string`

#### Defined in

[src/ddo/MetaData.ts:68](https://github.com/nevermined-io/sdk-js/blob/55f88d2/src/ddo/MetaData.ts#L68)