> For the complete documentation index, see [llms.txt](https://developers.doku.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.doku.com/~/revisions/yA0Hyt0yw9QhfehhXZdk/accept-payments/doku-checkout/additional-feature.md).

# Additional Feature

Discover how our advanced tokenization ensures secure and fast transaction, streamlined transactions using Google Pay, Promo Engine to maximize your savings with exclusive offers and discounts, and track your marketing campaign using our Google Analytics. <br>

Enhance your checkout experience with these powerful tools!

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{% content-ref url="/pages/fLn2j3oeIZQLQ31iZyBF" %}
[Tokenization](/~/revisions/yA0Hyt0yw9QhfehhXZdk/accept-payments/doku-checkout/additional-feature/tokenization.md)
{% endcontent-ref %}

{% content-ref url="/pages/eC7f9FU8oNS9zvnnqvNF" %}
[Promo on DOKU Checkout Page](/~/revisions/yA0Hyt0yw9QhfehhXZdk/accept-payments/doku-checkout/additional-feature/promo-on-doku-checkout-page.md)
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{% content-ref url="/pages/Njaq8NpXxBKSu3aAJt7W" %}
[Google Pay™](/~/revisions/yA0Hyt0yw9QhfehhXZdk/accept-payments/doku-checkout/additional-feature/google-pay-tm.md)
{% endcontent-ref %}

{% content-ref url="/pages/1Hwk0wHb6CGAqdi5Qr06" %}
[Track Campaign Source on Google Analytics](/~/revisions/yA0Hyt0yw9QhfehhXZdk/accept-payments/doku-checkout/additional-feature/track-campaign-source-on-google-analytics.md)
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