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How do you create a custom entity type in Drupal?

How do you create a custom entity type in Drupal?

Answer: To create a custom entity type in Drupal, follow these steps:

1. Define the Entity Type: Create a new module and implement `hook_entity_type_alter()` or `hook_entity_type_build()` to define the entity type and its properties.

2. Create the Schema: Use the `hook_schema()` function to define the database schema for your entity, including tables and fields.

3. Define the Properties: Use the `EntityType` class to specify the entity properties, such as fields, labels, and handlers.

4. Implement CRUD Operations: Define the necessary CRUD (Create, Read, Update, Delete) operations in your entity class.

5. Create Form and Display Handlers: Implement forms for creating/editing your entity and display handlers for rendering it.

6. Clear Cache: Clear the Drupal cache to recognize your new entity type.

7. Test the Entity: Verify that you can create, manage, and display your custom entity in the Drupal interface.

By following these steps, you can successfully create a custom entity type in Drupal.

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