> ## Documentation Index > Fetch the complete documentation index at: https://docs.extole.com/llms.txt > Use this file to discover all available pages before exploring further. # Advocate Invite Email ## **Overview** The Advocate Invite Email is a promotional message used to invite people to join your referral program. It's designed to introduce the value of participating and encourage recipients to start sharing. Screenshot showing The Advocate Invite Email is a promotional message used to invite people to join your referral program. It's designed to introduce the value of participating... ## **When to Send an Advocate Invite Email** **The best practice is to trigger this email when you launch your referral program** , inviting your existing customers to become advocates and start referring right away. This helps jump-start participation, build early momentum, and ensure the program's high visibility from day one. You can also send this email periodically to drive ongoing awareness, re-engage potential advocates, and grow referral participation over time. **Ready to get started?** Learn here how to **[Add an Promotional Email](\)** and then **[Upload and Email an Audience](\)**. ## **Key Metrics** The Invite Email is tracked in the **Email Stats Report** and also appears as a **Promotional Source** in your dashboard, allowing you to see how many shares it generates. * **Open Rate** : First impression emails often perform well with clear value props and brand recognition * **Share rate** : Measures how many recipients become active Advocates after receiving the invite ## **Best Practices** * Lead with a **strong value** proposition: highlight what’s in it for the advocate * Be **clear** and concise: explain what the program is and how to get started * Include a**clear CTA** : link to a landing page or sharing experience * **Match tone** to your brand: keep messaging aligned with other campaign communications ## **Editable Elements in Extole** In Extole, you can edit: * **Subject line and headline** : Tailor to reflect urgency, exclusivity, or benefits * **Body copy** : Customize the invitation message and referral program overview * **CTAs** : Link directly to the Advocate experience or sign-up flow * **Visuals** : Add logos, banners, or program-related imagery * **Reward name** : Clearly communicate what advocates can earn for participating ## **Testing and Optimization** * **Subject line** : Test urgency, personalization, or value-first approaches * **Headline** : “Join and earn” vs. “Start referring” style messages * **Body copy** : Short vs. detailed introductions * **CTA** : Placement, button label, and destination * **Visuals** : Branded banners or benefit-focused imagery By testing regularly, you’ll discover what clicks with your audience and keep improving your program to drive more—and better—referral traffic. **[See more tips for optimization here](\)**[.](\)