# Assign Vanity Share Links or Referral Codes for Advocate
Advocate automatically generates unique share links and referral codes for each participant. To create a more personalized experience, you can assign a custom vanity link or code to an individual participants.
#### Key rules & use cases
* Vanity links and codes must be unique to each participant.
* Associate each vanity link or code with only 1 referral program.
* A participant can have multiple vanity links and codes active at the same time.
Vanity links are useful when you want to provide a memorable link or code for a top-performing advocate, such as a social media influencer (e.g., share.yourdomain.com/INFLUENCER10).
| | Automatically generated example | Vanity example |
| ------------- | ------------------------------- | ----------------------------------- |
| Referral code | `CODE4746` | `INFLUENCER10` |
| Share link | `share.yourdomain.com/mzw&lkO` | `share.yourdomain.com/INFLUENCER10` |
#### Open the participant's profile
All vanity share links and codes are managed on individual participants' profiles. To view this information on a participant’s profile:
1. In the left navigation menu, select  **\[Engage]** → **Participants.**
2. Search for and select the **name** of the participant whose code you want to change. This opens their participant profile.
3. Select the **Codes and links** tab below the participant’s program info.
#### Assign vanity referral codes
You can convert an existing referral code to a vanity code, or create a new vanity code.
Change an existing referral code
1. Under the *Referral Codes* heading, hover your cursor over the code you want to change and select **Edit**.
2. In the *Referral Code* box, enter the new code.
3. Optionally, if you want to permanently deactivate the old referral code, deselect *Keep {CODE} as a working referral code*.
* impact.com recommends deactivating the old referral code if you suspect potential referral fraud or if it was used as part of a now inactive campaign.
4. Optionally, if you want to have a new share link automatically generated, deselect *Keep using existing sharelinks*.
5. Select **Save**.
Add a new vanity referral code
1. Under the *Referral Codes* heading, select **Add Referral Code**.
2. From the **Program**  **\[Drop-down menu]**, select the program for which you want the referral code to be used.
3. In the *Referral code* box, enter the vanity referral code.
4. Set the referral code as a primary or secondary referral code for this program.
* Secondary referral codes don’t show up in the program widget, emails, or other participant touchpoints. Secondary codes can be useful when you want to run targeted campaigns or other limited-time promotions.
5. Select **Add**.
When you select **Set as primary referral code**, Advocate automatically generates a new unique share link. If you want the new share link to match the vanity referral code, see the section on changing an existing share link.
#### Assign vanity share links
To use vanity share links, you must have [set up a custom domain](https://help.impact.com/brand/what-would-you-like-to-learn-about/advocate-program/manage-advocate-participant-experiences/set-up-a-domain-for-advocate).
Change an existing share link
You can modify any existing share link with vanity information. If you previously created a new vanity referral code, use this process to customize the share link that was automatically generated.
1. Under the *Share links* heading, hover your cursor over the share link you want to change and select **Edit**.
* This button is only displayed after you’ve [set up a custom domain](https://help.impact.com/brand/what-would-you-like-to-learn-about/advocate-program/manage-advocate-participant-experiences/set-up-a-domain-for-advocate).
2. Update the text at the end of the URL with the new vanity code.
3. Optionally, if you want to permanently deactivate the old link, deselect *Keep {LINK} as a working share link*.
* In the event of potential referral fraud or when retiring links from now inactive campaigns, you can return later and deactivate old links from this menu.
4. Select **Save**.
Assign a new vanity share link
{% hint style="success" icon="memo" %}
**Note:** New vanity share links can be added even when you aren’t creating a corresponding vanity referral code. This option is especially useful for targeted or limited-run campaigns.
{% endhint %}
1. Under the *Sharelinks* heading, select **Add Sharelink**.
* You only see this button after you [set up a custom domain](https://help.impact.com/brand/what-would-you-like-to-learn-about/advocate-program/manage-advocate-participant-experiences/set-up-a-domain-for-advocate).
2. Select the program you want the share link to be used for.
3. Enter a vanity code in the text box at the end of the URL. If you previously created a new vanity referral code, then you can re-use this code for the share link.
4. Set the share link as a primary or secondary link for the program.
* Primary links are used in widgets, emails, API and integrations. Secondary links are not. Secondary share links can be useful when you want to run targeted campaigns or other limited-time promotions.
5. Select **Add**.
