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# Chart
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This schema defines the Chart entity. Charts are built using tables or SQL queries by analyzing the data. Charts can be part of Dashboard.
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2021-11-13 23:03:20 +05:30
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**$id: **[**https://open-metadata.org/schema/entity/data/chart.json**](https://open-metadata.org/schema/entity/data/chart.json)
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Type: `object`
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## Properties
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* **id** `required`
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* Unique identifier that identifies a chart instance.
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* $ref: [../../type/basic.json#/definitions/uuid](../types/basic.md#uuid)
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* **name** `required`
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* Name that identifies this Chart.
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* Type: `string`
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* Length: between 1 and 64
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* **displayName**
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* Display Name that identifies this Chart. It could be title or label from the source services.
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* Type: `string`
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* **fullyQualifiedName**
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* A unique name that identifies a dashboard in the format 'ServiceName.ChartName'.
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* Type: `string`
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* Length: between 1 and 64
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* **description**
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* Description of the dashboard, what it is, and how to use it.
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* Type: `string`
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* **version**
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* Metadata version of the entity.
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* $ref: [../../type/basic.json#/definitions/entityVersion](../types/basic.md#entityversion)
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* **updatedAt**
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* Last update time corresponding to the new version of the entity.
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* $ref: [../../type/basic.json#/definitions/dateTime](../types/basic.md#datetime)
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* **updatedBy**
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* User who made the update.
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* Type: `string`
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* **chartType**
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* $ref: [#/definitions/chartType](chart.md#charttype)
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* **chartUrl**
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* Chart URL, pointing to its own Service URL.
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* Type: `string`
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* String format must be a "uri"
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* **href**
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* Link to the resource corresponding to this entity.
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* $ref: [../../type/basic.json#/definitions/href](../types/basic.md#href)
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* **owner**
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* Owner of this dashboard.
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* $ref: [../../type/entityReference.json](../types/entityreference.md)
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* **tables**
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* Link to table used in this chart.
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* $ref: [../../type/entityReference.json#/definitions/entityReferenceList](../types/entityreference.md#entityreferencelist)
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* **followers**
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* Followers of this chart.
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* $ref: [../../type/entityReference.json#/definitions/entityReferenceList](../types/entityreference.md#entityreferencelist)
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* **tags**
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* Tags for this chart.
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* Type: `array`
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* **Items**
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* $ref: [../../type/tagLabel.json](../types/taglabel.md)
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* **service** `required`
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* Link to service where this dashboard is hosted in.
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* $ref: [../../type/entityReference.json](../types/entityreference.md)
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* **usageSummary**
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* Latest usage information for this database.
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* $ref: [../../type/usageDetails.json](../types/usagedetails.md)
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## Type definitions in this schema
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### chartType
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* This schema defines the type used for describing different types of charts.
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* Type: `string`
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* The value is restricted to the following:
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1. _"Line"_
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2. _"Table"_
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3. _"Bar"_
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4. _"Area"_
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5. _"Pie"_
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6. _"Histogram"_
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7. _"Scatter"_
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8. _"Text"_
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9. _"BoxPlot"_
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10. _"Other"_
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2021-11-13 23:03:20 +05:30
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_This document was updated on: Monday, October 18, 2021_
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