> For the complete documentation index, see [llms.txt](https://docs.tonic.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tonic.ai/textual/entity-types.md).

# 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 entity types](https://docs.tonic.ai/textual/entity-types/custom-entity-types-list.md)
- [Adding regex-based types](https://docs.tonic.ai/textual/entity-types/entity-types-custom.md)
- [Adding model-based 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)
- [Using the progression tracker](https://docs.tonic.ai/textual/entity-types/entity-type-custom-model/using-the-progression-tracker.md)
- [Starting a new model-based 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 type](https://docs.tonic.ai/textual/entity-types/entity-type-custom-model/creating-and-training-models-for-a-model-based-type.md)
- [Selecting the published 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 type](https://docs.tonic.ai/textual/entity-types/entity-type-custom-model/entity-type-custom-model-rename.md)
- [Exporting and importing a model-based type](https://docs.tonic.ai/textual/entity-types/entity-type-custom-model/entity-type-export-import.md)
- [Importing types from the Textual library](https://docs.tonic.ai/textual/entity-types/importing-types-from-the-textual-library.md)
- [Enabling entity types for datasets](https://docs.tonic.ai/textual/entity-types/enabling-entity-types-for-datasets.md)


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