> For the complete documentation index, see [llms.txt](https://user.netmera.com/netmera-user-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://user.netmera.com/netmera-user-guide/customer-data.md).

# Customer data

- [About customer data](https://user.netmera.com/netmera-user-guide/customer-data/about-customer-data.md): Customer Data connects identity, behavior and consent into one data layer for campaigns, journeys and automation.
- [Profile attributes](https://user.netmera.com/netmera-user-guide/customer-data/profile-attributes.md): Profile attributes store standard and business data on each user profile for targeting, personalization and analysis.
- [Custom profile attributes](https://user.netmera.com/netmera-user-guide/customer-data/profile-attributes/custom-profile-attributes.md): Create and manage custom profile attributes for data outside standard fields, such as preferences or scores.
- [Device metadata](https://user.netmera.com/netmera-user-guide/customer-data/device-metadata.md): Reference for device metadata the Netmera SDK collects automatically for targeting, personalization and analytics.
- [Events](https://user.netmera.com/netmera-user-guide/customer-data/events.md): Events are timestamped user actions that power targeting, automation, personalization and analytics in Netmera.
- [Netmera events](https://user.netmera.com/netmera-user-guide/customer-data/events/netmera-events.md): Reference for automated and standard events the Netmera SDK tracks, and how custom events extend them.
- [Granular consent management](https://user.netmera.com/netmera-user-guide/customer-data/granular-consent-management.md): Granular consent management applies user consent per communication purpose and channel, enforced separately.
- [İYS permissions](https://user.netmera.com/netmera-user-guide/customer-data/iys-permissions.md): İYS permissions sync commercial message consent between Netmera and İYS, Türkiye's consent registry.
- [İYS integrator mode](https://user.netmera.com/netmera-user-guide/customer-data/iys-permissions/iys-integrator-mode.md): İYS integrator mode makes Netmera the primary consent system and transfers consent records to İYS.
- [İYS sync mode](https://user.netmera.com/netmera-user-guide/customer-data/iys-permissions/iys-sync-mode.md): İYS sync mode makes İYS the authoritative consent source, with Netmera reading and applying its records.
- [Tagless data capturing](https://user.netmera.com/netmera-user-guide/customer-data/tagless-data-capturing.md): Tagless Data Capturing collects mobile screen views and interactions without event instrumentation.


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