# Meta-types

Meta-types allow you to define properties not covered by Atomico's Automatic support, such as:

1. [Type declaration](https://atomico.gitbook.io/doc/guides/atomico-with-typescript/meta-types/type)
2. [Event declaration](https://atomico.gitbook.io/doc/guides/atomico-with-typescript/meta-types/declare-meta-types-to-the-component)
3. [Method declaration](https://atomico.gitbook.io/doc/guides/atomico-with-typescript/meta-types/method-declaration)