# Create a Custom Data Model `CreateCustomDataModel` `POST /api/datamodel/{entityType}` - [OpenAPI fragment](https://www.lusid.com/docs/api/lusid/endpoints/custom-data-models/CreateCustomDataModel.json) - [Rendered page](https://www.lusid.com/docs/api/lusid/endpoints/custom-data-models/CreateCustomDataModel) Creates a Custom Data Model. ## Referenced schemas - [CreateCustomDataModelRequest](https://www.lusid.com/docs/api/lusid/schemas/CreateCustomDataModelRequest.txt) - [CustomDataModel](https://www.lusid.com/docs/api/lusid/schemas/CustomDataModel.txt) [< Custom Data Models](https://www.lusid.com/docs/api/lusid/endpoints/custom-data-models/llms.txt)