# Pipeline This schema defines the Pipeline entity. A pipeline enables the flow of data from source to destination through a series of processing steps. ETL is a type of pipeline where the series of steps Extract, Transform and Load the data. **$id: **[**https://open-metadata.org/schema/entity/data/pipeline.json**](https://open-metadata.org/schema/entity/data/pipeline.json) Type: `object` ## Properties * **id** `required` * Unique identifier that identifies a pipeline instance. * $ref: [../../type/basic.json#/definitions/uuid](../types/basic.md#uuid) * **name** `required` * Name that identifies this pipeline instance uniquely. * Type: `string` * Length: between 1 and 64 * **displayName** * Display Name that identifies this Pipeline. It could be title or label from the source services. * Type: `string` * **fullyQualifiedName** * A unique name that identifies a pipeline in the format 'ServiceName.PipelineName'. * Type: `string` * Length: between 1 and 64 * **description** * Description of this Pipeline. * Type: `string` * **version** * Metadata version of the entity. * $ref: [../../type/basic.json#/definitions/entityVersion](../types/basic.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** * Pipeline URL to visit/manage. This URL points to respective pipeline service UI. * Type: `string` * String format must be a "uri" * **concurrency** * Concurrency of the Pipeline. * Type: `integer` * **pipelineLocation** * Pipeline Code Location. * Type: `string` * **startDate** * Start date of the workflow. * $ref: [../../type/basic.json#/definitions/dateTime](../types/basic.md#datetime) * **tasks** * All the tasks that are part of pipeline. * Type: `array` * **Items** * $ref: [../../type/entityReference.json](../types/entityreference.md) * **followers** * Followers of this Pipeline. * $ref: [../../type/entityReference.json#/definitions/entityReferenceList](../types/entityreference.md#entityreferencelist) * **tags** * Tags for this Pipeline. * Type: `array` * **Items** * $ref: [../../type/tagLabel.json](../types/taglabel.md) * **href** * Link to the resource corresponding to this entity. * $ref: [../../type/basic.json#/definitions/href](../types/basic.md#href) * **owner** * Owner of this pipeline. * $ref: [../../type/entityReference.json](../types/entityreference.md) * **service** `required` * Link to service where this pipeline is hosted in. * $ref: [../../type/entityReference.json](../types/entityreference.md) _This document was updated on: Monday, October 18, 2021_