# Chart

This schema defines the Chart entity. Charts are built using tables or sql queries by analyzing the data. Charts can be part of Dashboard.

**$id: **[https://open-metadata.org/schema/entity/data/chart.json](https://open-metadata.org/schema/entity/data/chart.json)

Type: `object`

## Properties
 - **id** `required`
   - Unique identifier that identifies a chart instance.
   - $ref: [../../type/basic.json#/definitions/uuid](../types/basic.md#uuid)
 - **name** `required`
   - Name that identifies this Chart.
   - Type: `string`
   - Length: between 1 and 64
 - **displayName**
   - Display Name that identifies this Chart. It could be title or label from the source services.
   - Type: `string`
 - **fullyQualifiedName**
   - A unique name that identifies a dashboard in the format 'ServiceName.ChartName'.
   - Type: `string`
   - Length: between 1 and 64
 - **description**
   - Description of the dashboard, what it is, and how to use it.
   - Type: `string`
 - **chartType**
   - $ref: [#/definitions/chartType](#charttype)
 - **chartUrl**
   - Chart URL, pointing to its own Service URL.
   - Type: `string`
   - String format must be a "uri"
 - **href**
   - Link to the resource corresponding to this entity.
   - $ref: [../../type/basic.json#/definitions/href](../types/basic.md#href)
 - **owner**
   - Owner of this dashboard.
   - $ref: [../../type/entityReference.json](../types/entityreference.md)
 - **tables**
   - Link to table used in this chart.
   - $ref: [../../type/entityReference.json#/definitions/entityReferenceList](../types/entityreference.md#entityreferencelist)
 - **followers**
   - Followers of this chart.
   - $ref: [../../type/entityReference.json#/definitions/entityReferenceList](../types/entityreference.md#entityreferencelist)
 - **tags**
   - Tags for this chart.
   - Type: `array`
     - **Items**
     - $ref: [../../type/tagLabel.json](../types/taglabel.md)
 - **service** `required`
   - Link to service where this dashboard is hosted in.
   - $ref: [../../type/entityReference.json](../types/entityreference.md)
 - **usageSummary**
   - Latest usage information for this database.
   - $ref: [../../type/usageDetails.json](../types/usagedetails.md)

* **id** `required`
  * Unique identifier that identifies a chart instance.
  * $ref: [../../type/basic.json#/definitions/uuid](../types/basic.md#uuid)
* **name** `required`
  * Name that identifies this Chart.
  * Type: `string`
  * Length: between 1 and 64
* **displayName**
  * Display Name that identifies this Chart. It could be a title or label from the source services.
  * Type: `string`
* **fullyQualifiedName**
  * A unique name that identifies a dashboard in the format 'ServiceName.ChartName'.
  * Type: `string`
  * Length: between 1 and 64
* **description**
  * Description of the dashboard, what it is, and how to use it.
  * Type: `string`
* **chartType**
  * $ref: [#/definitions/chartType](chart.md#charttype)
* **chartUrl**
  * Chart URL, pointing to its own Service URL.
  * Type: `string`
  * String format must be a "uri"
* **href**
  * Link to the resource corresponding to this entity.
  * $ref: [../../type/basic.json#/definitions/href](../types/basic.md#href)
* **owner**
  * Owner of this dashboard.
  * $ref: [../../type/entityReference.json](../types/entityreference.md)
* **tables**
  * Link to table used in this chart.
  * $ref: [../../type/entityReference.json#/definitions/entityReferenceList](../types/entityreference.md#entityreferencelist)
* **followers**
  * Followers of this chart.
  * $ref: [../../type/entityReference.json#/definitions/entityReferenceList](../types/entityreference.md#entityreferencelist)
* **tags**
  * Tags for this chart.
  * Type: `array`
    * **Items**
    * $ref: [../../type/tagLabel.json](../types/taglabel.md)
* **service** `required`
  * Link to service where this dashboard is hosted in.
  * $ref: [../../type/entityReference.json](../types/entityreference.md)
* **usageSummary**
  * Latest usage information for this database.
  * $ref: [../../type/usageDetails.json](../types/usagedetails.md)

## Type definitions in this schema
### chartType

 - This schema defines the type used for describing different types of charts.
 - Type: `string`
 - The value is restricted to the following: 
   1. _"Line"_
   2. _"Table"_
   3. _"Bar"_
   4. _"Area"_
   5. _"Pie"_
   6. _"Histogram"_
   7. _"Scatter"_
   8. _"Text"_
   9. _"BoxPlot"_
   10. _"Other"_


_This document was updated on: Thursday, September 16, 2021_