## Vouchers

[How can I assign voucher codes?](https://help.optilyz.com/en/support/solutions/articles/43000494023-how-can-i-assign-voucher-codes-)

We recommend using voucher codes so that you can track the success of your campaign. Important insights and optimization potential can be obtained this way....

[Salesforce // Multiple vouchers and vouchers per variation](https://help.optilyz.com/en/support/solutions/articles/43000563070-salesforce-multiple-vouchers-and-vouchers-per-variation)

It's now possible for our customers using Salesforce integration to select multiple data extension fields, meaning you can select more than 1 column/vou...

[How to connect a different voucher pool to each variation](https://help.optilyz.com/en/support/solutions/articles/43000698693-how-to-connect-a-different-voucher-pool-to-each-variation)

How does it work?  This feature allows you to use different voucher pools within a single automation: simply connect each variation to its own Emarsys vouc...

[How to use multiple voucher pools on the same mailing?](https://help.optilyz.com/en/support/solutions/articles/43000698696-how-to-use-multiple-voucher-pools-on-the-same-mailing-)

Multiple personalized vouchers on one mail material Some of our partners send out multiple personalized voucher codes on the same letter or postcard, as...