# Variables

- [Intro to variables](https://docs.overse.app/hubble/variables/intro-to-variables.md): Variables are dynamic data placeholders that you can use inside Hubble to personalize content for individual customers. By using variables, you can make your blocks feel more personal and relevant.
- [Supported variable filters](https://docs.overse.app/hubble/variables/supported-variable-filters.md): Filters allow you to modify the output of a variable. You can use them to format dates, change text case, or provide default values when data is missing.
- [Supported metafield types](https://docs.overse.app/hubble/variables/supported-metafield-types.md)


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