> For the complete documentation index, see [llms.txt](https://thisdot.gitbook.io/data-mapper-for-mailchimp/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://thisdot.gitbook.io/data-mapper-for-mailchimp/how-data-is-synced.md).

# How data is synced

- [What data is synced?](https://thisdot.gitbook.io/data-mapper-for-mailchimp/how-data-is-synced/what-data-is-synced.md)
- [Data sync frequency](https://thisdot.gitbook.io/data-mapper-for-mailchimp/how-data-is-synced/data-sync-frequency.md)
- [How to sync customer purchase data](https://thisdot.gitbook.io/data-mapper-for-mailchimp/how-data-is-synced/how-to-sync-customer-purchase-data.md)
- [Default events & tags](https://thisdot.gitbook.io/data-mapper-for-mailchimp/how-data-is-synced/default-events-and-tags.md)
- [Working with Guest Customers](https://thisdot.gitbook.io/data-mapper-for-mailchimp/how-data-is-synced/working-with-guest-customers.md)