# Pipeline Service This schema defines the Pipeline Service entity, such as Airflow and Prefect. **$id: [https://open-metadata.org/schema/entity/services/messagingservice.json](https://open-metadata.org/schema/entity/services/messagingservice.json)** Type: `object` ## Properties - **id** `required` - Unique identifier of this pipeline service instance. - $ref: [../../type/basic.json#/definitions/uuid](../types/basic.md#uuid) - **name** `required` - Name that identifies this pipeline service. - Type: `string` - Length: between 1 and 64 - **serviceType** - Type of pipeline service such as Airflow or Prefect... - $ref: [#/definitions/pipelineServiceType](#pipelineservicetype) - **description** - Description of a pipeline service instance. - Type: `string` - **displayName** - Display Name that identifies this pipeline service. It could be title or label from the source services. - Type: `string` - **version** - Metadata version of the entity. - $ref: [../../type/entityHistory.json#/definitions/entityVersion](../types/entityhistory.md#entityversion) - **updatedAt** - Last update time corresponding to the new version of the entity. - $ref: [../../type/basic.json#/definitions/dateTime](../types/basic.md#datetime) - **updatedBy** - User who made the update. - Type: `string` - **pipelineUrl** `required` - Pipeline Service Management/UI URL. - Type: `string` - String format must be a "uri" - **ingestionSchedule** - Schedule for running metadata ingestion jobs. - $ref: [../../type/schedule.json](../types/schedule.md) - **href** - Link to the resource corresponding to this pipeline service. - $ref: [../../type/basic.json#/definitions/href](../types/basic.md#href) - **changeDescription** - Change that lead to this version of the entity. - $ref: [../../type/entityHistory.json#/definitions/changeDescription](../types/entityhistory.md#changedescription) ## Type definitions in this schema ### pipelineServiceType - Type of pipeline service - Airflow or Prefect. - Type: `string` - The value is restricted to the following: 1. _"Airflow"_ 2. _"Prefect"_ 3. _"Glue"_ _This document was updated on: Monday, November 15, 2021_