Mechanic
đŸ“Ŗ Shopify REST Deprecation
  • â›Šī¸Introduction
  • 🤓Hire a Mechanic developer
  • đŸ’¯status.mechanic.dev
  • đŸ“ŖShopify is deprecating the REST API
  • 🙋"I need something custom!"
  • 🧑‍đŸ’ģ"I need help with my custom task!"
  • 🤖"I need help with my AI-written task!"
  • Resources
    • âŦ‡ī¸Install Mechanic
    • 🧑‍đŸ’ģTask library
      • Contributing
      • Requesting
    • 🚀Slack community
    • 🤝Partner directory
    • 🧠Tutorials
      • Video walkthroughs
        • Auto-tag orders by originating staff member
        • Maintain a tag for orders processed today
        • Auto-tag orders with their tracking numbers
        • Sync inventory for shared SKUs
        • Auto-tag products when their SKU(s) change
        • Auto-publish new products
        • Email a report of customers who haven't ordered in X days
        • Upgrading a Mechanic task: Adding a time delay
        • Email the customer when tracking numbers are added to their order
        • Adding an optional time delay to your Mechanic task
        • Delete all orders
        • Send an email when a specific product is shipped
        • Send recurring reminders about unpaid orders
        • Send an email when a product's price goes below its cost
        • Auto-tag customers by sales channel
        • Creating products in bulk
      • Creating a Mechanic webhook
      • Practicing writing tasks
      • Triggering tasks from a contact form
      • Creating scheduled CSV feeds
      • Fetching data from a shared Google sheet
    • 🏆Converting tasks from Shopify REST to GraphQL
      • Conversion: Single resource lookups
      • Conversion: Resource loops to paginated queries
      • Conversion: Connections from a resource
      • Conversion: Metafield lookups from a resource
      • Conversion: Resource lookups in task option fields
  • Core Concepts
    • Events
      • Topics
      • Parent and child events
    • Tasks
      • Subscriptions
      • Code
        • Environment variables
        • Action objects
        • Error objects
        • Log objects
      • Options
        • Custom validation
      • Previews
        • Defining preview events
        • Stub data
      • Shopify API version
      • Advanced settings
        • Documentation
        • JavaScript
        • Perform action runs in sequence
      • Import and export
      • User Form
    • Actions
      • Cache
      • Echo
      • Email
      • Event
      • Files
      • Flow
      • FTP
      • Google Drive
      • Google Sheets
      • HTTP
      • Integrations
        • Report Toaster
      • Shopify
      • File generators
        • Base64
        • PDF
        • Plaintext
        • URL
        • ZIP
    • Runs
      • Scheduling
      • Concurrency
      • Ordering
      • Retries
    • Interacting with Shopify
      • Responding to events
        • Reconciling missing events
      • Reading data
        • âš ī¸Liquid objects
        • 🏆GraphQL in Liquid
        • Bulk operations
        • The Shopify action
      • Writing data
      • Shopify admin action links
      • API rate limit
      • API versions
  • Platform
    • 🔆Policies
      • Data
      • Plans
      • Pricing
      • Privacy
    • Cache
      • Cache endpoints
    • Email
      • Receiving email
      • Custom email addresses
      • DMARC
      • Email templates
    • Error handling
    • Events
      • Event topics
      • Event filters
    • GraphQL
      • Basics
        • Shopify Admin API GraphiQL explorer
        • Queries
        • Mutations
        • Pagination
      • Bulk operations
    • Integrations
      • Appstle Subscriptions
      • Google Drive and Google Sheets
      • Judge.me
      • Locksmith
      • Report Toaster
      • Shopify Flow
      • Run links
    • Liquid
      • Basics
        • Syntax
        • Data types
        • Variables
        • Comments
        • Filters
        • Operators
        • Control flow
          • Condition
          • Iteration
        • Whitespace
      • Liquid console
      • Mechanic filters
        • Deprecated filters
      • Mechanic keyword literals
        • array
        • hash
        • newline
      • Mechanic objects
        • Action object
        • Cache object
        • Event object
        • Options object
        • Task object
        • âš ī¸Shopify REST Admin API
          • đŸšĢArticle object
          • đŸšĢBlog object
          • đŸšĢCollection object
          • đŸšĢCustomer object
          • đŸšĢDiscount code object
          • đŸšĢDispute object
          • đŸšĢDraft order object
          • đŸšĢFulfillment object
          • đŸšĢFulfillment order object
          • đŸšĢFulfillment event object
          • đŸšĢGift card object
          • đŸšĢInventory item object
          • đŸšĢInventory level object
          • đŸšĢLine item object
          • đŸšĢLocation object
          • đŸšĢMetafields
            • Metafield object
            • Metafield representation object
            • Metafield collection object
          • đŸšĢOrder object
          • đŸšĢOrder risk object
          • đŸšĢPrice rule object
          • đŸšĢProduct object
          • đŸšĢProduct image object
          • đŸšĢRefund object
          • đŸšĢShipping zone object
          • đŸšĢShop object
          • đŸšĢTheme object
          • đŸšĢTheme asset object
          • đŸšĢTransaction object
          • đŸšĢVariant object
      • Mechanic tags
        • liquid
        • action
        • assign
        • error
        • log
      • Mechanic code snippets
    • Shopify
      • Custom authentication
      • "Read all orders"
    • Webhooks
  • Techniques
    • Preventing action loops
    • Writing a high-quality task
    • Tagging Shopify resources
    • Debouncing events
    • Responding to action results
    • Working with external APIs
      • JSON Web Signatures
      • AWS request signatures
    • Finding a resource ID
    • Migrating templates from Shopify to Mechanic
    • Securing Mechanic webhooks
    • Monitoring Mechanic
  • FAQ
    • The app isn't loading. What do I do?
    • How do I stop a large batch of runs?
    • A Shopify event is missing. Where is it?
    • Does Mechanic have an affiliate program?
    • Can non-owners install Mechanic?
    • Can I replace Shopify's order emails with Mechanic?
    • Can I manually set Shopify permissions for Mechanic?
    • Does my theme need to be updated for Mechanic?
    • Do you have a plan for development stores?
    • Why don't I see any events in my task's activity?
    • Can I read data back from my webhook submission?
    • My task added a tag, but now the tag is missing – why?
    • How do I add an unsubscribe link to my emails?
    • How do I send images with my emails?
    • Can I re-send order confirmation emails with Mechanic?
    • Why am I seeing a different price than on the app store?
    • Do you have a Partner-friendly plan?
    • Why are my tasks delayed or not running?
    • My task is failing because of a permissions problem. Why?
    • How do I preview email attachments?
    • Can I query external APIs?
    • Why can't I access the Shopify API during preview mode?
    • How do marketing preferences work with Mechanic?
    • Can I send data to Google Sheets?
    • What's possible with timeline comments?
    • I'm getting a "query param length is too long" error when using GraphQL.
    • Can my Mechanic concurrency limit be raised?
    • What IP address does Mechanic use?
    • Can Mechanic read or manage customer subscriptions?
    • Why is everything harder now?
    • Can task content be translated into multiple languages?
    • Can I add a time delay to my task?
    • Can I add another store to my existing Mechanic subscription?
    • How can I reduce memory usage of my task?
    • How do I connect PayPal to Shopify with Mechanic?
    • How do I add a Shopify access scope to my task?
    • Can I have my Mechanic data retained for more (or less) than 15 days?
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Important Updates

  • đŸ“Ŗ Shopify REST Deprecation
On this page
  • What won't work
  • What will work

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  1. FAQ

How do I preview email attachments?

PreviousMy task is failing because of a permissions problem. Why?NextCan I query external APIs?

Last updated 4 years ago

Was this helpful?

What won't work

For tasks that use , you'll see a preview of the email itself in the task preview area.

This preview includes an "Expand preview" button, which then allows you to send a copy of the message to the email address of your choice.

What will work

The best way to approach this is by creating a brand new task, which...

  • ... subscribes to mechanic/user/trigger, allowing you to run the task on demand

In order to make this work, you may need to pull in data needed for your files. For example, if you're working on an email attachment based on order data, you may need to pull in a sample order object, like this:

{% assign order = shop.orders[1234567890] %}

Using this technique gives you a dedicated workspace, in the form of a task, for iterating on your file attachments. Once you have your attachment-generating code the way you want it, bring that code back to your original task.

Importantly, this feature does not include attachments. (Under the hood, this is because compiling attachments can take an unpredictable amount of system resources, making this job best served by .)

... uses , using the same data that you're using in your "email" action's attachments

(This technique leverages the fact that Mechanic generates files in the same way, across the "email" and "files" actions; see for more on this.)

Mechanic's run system
the Files action
File generators
the Email action