# Custom Entity Definition

Define custom entity types that extend the platform data model. Supports fetching definitions by ID or with pagination, creating, updating, and deleting definitions.

 - [GET /customEntity/definition](https://developer-portal-demo.redocly.app/apis/sprinklr-v3/custom-entity-definition/customentitydefinitionapiv3_getdefinitions.md)
 - [POST /customEntity/definition](https://developer-portal-demo.redocly.app/apis/sprinklr-v3/custom-entity-definition/customentitydefinitionapiv3_createdefinition.md)
 - [PUT /customEntity/definition](https://developer-portal-demo.redocly.app/apis/sprinklr-v3/custom-entity-definition/customentitydefinitionapiv3_updatedefinition.md)
 - [DELETE /customEntity/definition](https://developer-portal-demo.redocly.app/apis/sprinklr-v3/custom-entity-definition/customentitydefinitionapiv3_deletedefinitions.md)