# 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_