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Where to find this: Shopify admin → Apps → Yuko Loyalty → Referral → Emails
Your referral program has three built-in emails. They start inactive. Switch them on in Referral → Emails and edit them in the Template Editor. Each email has a delay setting (Days after Referrer welcome, Days after Friend reward unlocked, Days after Referrer reward issued). Leave it at 0 to send immediately.

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Referrer welcome

Sent when: a customer joins your referral program as a referrer. Default subject: Welcome to our referral program Default message: Greeting → thanks for joining → “Here is your personal referral link: {{ referral_link }}” → share the link, and when friends complete their first purchase you may earn rewards. Useful shortcodes: {{ first_name }}, {{ referral_link }}, {{ referral_code }}, {{ advocate_name }}, {{ expiry }}.
Make the link the hero. This email is what gets referrers sharing, so put {{ referral_link }} in a button, not just the body text.

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Friend reward unlocked

Sent when: a referred friend claims their friend reward, for example through the Friend Welcome Popup. It goes to the friend. Default subject: Your referral discount is ready Default message: Greeting → “You’ve just unlocked a special discount through a referral. Here is your discount code: {{ discount_code }}” → enter it at checkout. Useful shortcodes: {{ discount_code }}, {{ reward_value }}, {{ reward_type }}, {{ expires_at }}, {{ referred_by }}, {{ referral_code_used }}.
Mention who sent them. {{ referred_by }} makes the email feel personal and builds trust with a first-time shopper.

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Referrer reward issued

Sent when: a referrer earns their reward because a friend they referred completed a qualifying order. It goes to the referrer. Default subject: Your referral advocate reward is ready Default message: Greeting → “You’ve just unlocked a special reward through a referral. Here is your reward code/ value: {{ discount_code }}”. Useful shortcodes: {{ discount_code }}, {{ reward_value }}, {{ reward_type }}, {{ friend_first_name }}, {{ total_referrals }}, {{ points_balance }}.
Show their progress. {{ total_referrals }} gives your best referrers a reason to keep sharing.

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Best practices

Turn on all three together. They cover both sides of the referral loop: the referrer gets their link, the friend gets their code, and the referrer hears when it paid off.
Test with a real referral. Join as a referrer, open your link in a private window, claim the friend reward and place a test order. This checks all three emails.

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FAQs

Not as a separate email. Workflow conditions can’t filter on referral count, so the simplest option is to mention the count in Referrer reward issued with {{ total_referrals }}. For other follow-ups, build a workflow on the Referrer Rewarded trigger.
There’s no built-in one, but you can build a workflow on the Referral Completed trigger.

Loyalty Emails

Points earned and redeemed, tier unlocked, expiry, birthday and anniversary.

Referral Emails

Referrer welcome, friend reward unlocked and referrer reward issued.

Membership Emails

Membership created, upgraded, downgraded and cancelled.

Template Editor

Edit content and delays, send a test, or use the Advanced Editor.

Shortcodes Reference

Every shortcode by group, including redemption links.

Email Settings & Custom Domains

From name, Reply-To, default From address and your own sending domain.

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Visit our support hub for help articles, live chat and ticket submission.

Browse the Guides

Documentation across loyalty, referrals, memberships and more.

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