> ## Documentation Index > Fetch the complete documentation index at: https://dev.smile.io/llms.txt > Use this file to discover all available pages before exploring further. # Handlebar variables Smile provides several different notification types that get triggered by unique events from your loyalty program. Each notification type has a set of handlebar variables that can be leveraged to create rich, dynamic emails. This document outlines the handlebar variables that can be used in each notification type. ## Points earned | Variable | Type | Description | | -------------------- | ----------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `customer` | [Customer object](/guides/deprecated/custom-html-emails/custom-email-objects#customer-object) | Customer information. | | `footer` | HTML | Full-width block of HTML containing stylized text and links required by anti-spam legislation. This variable contains HTML so it needs three curly braces instead of two (i.e. `{{{footer}}}`). | | `reward_fulfillment` | [Reward fulfillment object](/guides/deprecated/custom-html-emails/custom-email-objects#reward-fulfillment-object) | Completed action and points received information. | ## Reward redeemed | Variable | Type | Description | | -------------------- | ----------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `customer` | [Customer object](/guides/deprecated/custom-html-emails/custom-email-objects#customer-object) | Customer information. | | `footer` | HTML | Full-width block of HTML containing stylized text and links required by anti-spam legislation. This variable contains HTML so it needs three curly braces instead of two (i.e. `{{{footer}}}`). | | `reward_fulfillment` | [Reward fulfillment object](/guides/deprecated/custom-html-emails/custom-email-objects#reward-fulfillment-object) | New reward information. | ## Birthday reward | Variable | Type | Description | | -------------------- | ----------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `customer` | [Customer object](/guides/deprecated/custom-html-emails/custom-email-objects#customer-object) | Customer information. | | `footer` | HTML | Full-width block of HTML containing stylized text and links required by anti-spam legislation. This variable contains HTML so it needs three curly braces instead of two (i.e. `{{{footer}}}`). | | `reward_fulfillment` | [Reward fulfillment object](/guides/deprecated/custom-html-emails/custom-email-objects#reward-fulfillment-object) | Birthday reward information. | ## Points expiry - warning | Variable | Type | Description | | ------------------------------ | --------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `customer` | [Customer object](/guides/deprecated/custom-html-emails/custom-email-objects#customer-object) | Customer information. | | `footer` | HTML | Full-width block of HTML containing stylized text and links required by anti-spam legislation. This variable contains HTML so it needs three curly braces instead of two (i.e. `{{{footer}}}`). | | `points_expiry_date_formatted` | String | A human readable date for when points will be expiring. (e.g. Dec 31, 2020) | ## Points expiry - last chance | Variable | Type | Description | | ------------------------------ | --------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `customer` | [Customer object](/guides/deprecated/custom-html-emails/custom-email-objects#customer-object) | Customer information. | | `footer` | HTML | Full-width block of HTML containing stylized text and links required by anti-spam legislation. This variable contains HTML so it needs three curly braces instead of two (i.e. `{{{footer}}}`). | | `points_expiry_date_formatted` | String | A human readable date for when points will be expiring. (e.g. Dec 31, 2020) | ## Referral shared through Smile | Variable | Type | Description | | ------------------- | --------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `advocate_customer` | [Customer object](/guides/deprecated/custom-html-emails/custom-email-objects#customer-object) | Referral advocate information. | | `footer` | HTML | Full-width block of HTML containing stylized text and links required by anti-spam legislation. This variable contains HTML so it needs three curly braces instead of two (i.e. `{{{footer}}}`). | | `friend_reward` | [Reward object](/guides/deprecated/custom-html-emails/custom-email-objects#reward-object) | Information on the reward available to the friend. | | `message` | String | A personalized message from the referral advocate to the friend. (e.g. Check this store out!) | ## Friend received referral | Variable | Type | Description | | -------------------- | ----------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `advocate_customer` | [Customer object](/guides/deprecated/custom-html-emails/custom-email-objects#customer-object) | Referral advocate information. | | `footer` | HTML | Full-width block of HTML containing stylized text and links required by anti-spam legislation. This variable contains HTML so it needs three curly braces instead of two (i.e. `{{{footer}}}`). | | `reward_fulfillment` | [Reward fulfillment object](/guides/deprecated/custom-html-emails/custom-email-objects#reward-fulfillment-object) | Information on the reward given to the friend. | ## Referral completed | Variable | Type | Description | | -------------------- | ----------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `customer` | [Customer object](/guides/deprecated/custom-html-emails/custom-email-objects#customer-object) | Advocate customer information. | | `friend_customer` | [Customer object](/guides/deprecated/custom-html-emails/custom-email-objects#customer-object) | Referred friend information. | | `footer` | HTML | Full-width block of HTML containing stylized text and links required by anti-spam legislation. This variable contains HTML so it needs three curly braces instead of two (i.e. `{{{footer}}}`). | | `reward_fulfillment` | [Reward fulfillment object](/guides/deprecated/custom-html-emails/custom-email-objects#reward-fulfillment-object) | Information on the reward given to the referral advocate. | ## VIP tier achieved | Variable | Type | Description | | ---------- | --------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `customer` | [Customer object](/guides/deprecated/custom-html-emails/custom-email-objects#customer-object) | Customer information. | | `footer` | HTML | Full-width block of HTML containing stylized text and links required by anti-spam legislation. This variable contains HTML so it needs three curly braces instead of two (i.e. `{{{footer}}}`). | ## Reward expiry reminder | Variable | Type | Description | | -------------------- | ----------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `customer` | [Customer object](/guides/deprecated/custom-html-emails/custom-email-objects#customer-object) | Customer information. | | `footer` | HTML | Full-width block of HTML containing stylized text and links required by anti-spam legislation. This variable contains HTML so it needs three curly braces instead of two (i.e. `{{{footer}}}`). | | `reward_fulfillment` | [Reward fulfillment object](/guides/deprecated/custom-html-emails/custom-email-objects#reward-fulfillment-object) | Expiring reward information. |