# 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](pipelineservice.md#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_