# How can we help?

## Search

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[Link functions overview](https://support.cordial.com/hc/en-us/articles/115005691987-Link-functions-overview)

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[Optout link](https://support.cordial.com/hc/en-us/articles/115005855988-Optout-link)

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[Add tags to links](https://support.cordial.com/hc/en-us/articles/115005692027-Add-tags-to-links)

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[Name tracked links](https://support.cordial.com/hc/en-us/articles/115005692067-Name-tracked-links)

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[Link append defaults (via UI)](https://support.cordial.com/hc/en-us/articles/360036016771-Link-append-defaults-via-UI)

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[Link appends via Smarty](https://support.cordial.com/hc/en-us/articles/115005856068-Link-appends-via-Smarty)

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[Link appends by content section](https://support.cordial.com/hc/en-us/articles/360043098751-Link-appends-by-content-section)

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[Update list membership when clicking a link](https://support.cordial.com/hc/en-us/articles/115005692127-Update-list-membership-when-clicking-a-link)

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[Update an attribute when clicking a link](https://support.cordial.com/hc/en-us/articles/360000323732-Update-an-attribute-when-clicking-a-link)

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[Disable link tracking](https://support.cordial.com/hc/en-us/articles/115009266788-Disable-link-tracking)

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[Exclude a link from using deep linking](https://support.cordial.com/hc/en-us/articles/15692723459341-Exclude-a-link-from-using-deep-linking)

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[Why are my tracked links showing as a curly brace on the Link Performance page?](https://support.cordial.com/hc/en-us/articles/115002431732-Why-are-my-tracked-links-showing-as-a-curly-brace-on-the-Link-Performance-page)

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[Can I add a view in browser link to my email?](https://support.cordial.com/hc/en-us/articles/216197468-Can-I-add-a-view-in-browser-link-to-my-email)