# Entity types

- [About entity types](https://docs.tonic.ai/textual/entity-types/about-entity-types.md)
- [Built-in entity types](https://docs.tonic.ai/textual/entity-types/built-in-entity-types.md)
- [Viewing the list of custom entity types](https://docs.tonic.ai/textual/entity-types/custom-entity-types-list.md)
- [Managing regex-based custom entity types](https://docs.tonic.ai/textual/entity-types/entity-types-custom.md)
- [Managing model-based custom entity types](https://docs.tonic.ai/textual/entity-types/entity-type-custom-model.md)
- [Overview of the process to create a model-based custom entity type](https://docs.tonic.ai/textual/entity-types/entity-type-custom-model/model-entity-type-flow.md)
- [Starting a new model-based custom entity type](https://docs.tonic.ai/textual/entity-types/entity-type-custom-model/model-entity-type-new.md)
- [Selecting and reviewing test data](https://docs.tonic.ai/textual/entity-types/entity-type-custom-model/selecting-and-reviewing-test-data.md)
- [Iterating over the guidelines to use for model training](https://docs.tonic.ai/textual/entity-types/entity-type-custom-model/model-entity-type-guidelines.md)
- [Selecting the training data for your models](https://docs.tonic.ai/textual/entity-types/entity-type-custom-model/selecting-the-training-data-for-your-models.md)
- [Creating and training models for a model-based entity type](https://docs.tonic.ai/textual/entity-types/entity-type-custom-model/creating-and-training-models-for-a-model-based-entity-type.md)
- [Selecting the active model for the entity type](https://docs.tonic.ai/textual/entity-types/entity-type-custom-model/entity-type-model-set-active.md)
- [Renaming or deleting a model-based custom entity type](https://docs.tonic.ai/textual/entity-types/entity-type-custom-model/entity-type-custom-model-rename.md)
- [Enabling and disabling the entity type for datasets](https://docs.tonic.ai/textual/entity-types/entity-type-custom-model/enabling-and-disabling-the-entity-type-for-datasets.md)
- [Exporting and importing a model-based custom entity type](https://docs.tonic.ai/textual/entity-types/entity-type-custom-model/entity-type-export-import.md)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.tonic.ai/textual/entity-types.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
