How To Work With Reference Fields In The Webflow CMS
Map single and multi-reference Webflow fields using destination item IDs, unresolved-link checks, and full-request guidance.

WebflowWatch: How To Work With Reference Fields In The Webflow CMS
In this video, we are going to go over mapping single and multi-reference fields to the Webflow CMS inside of Zapier and Integromat. We are also dive into some low-code concepts that will allow you go beyond some of Zapier's limitations with the Webflow CMS. 🕚TIMESTAMPS:
- 00:00 Intro
- 03:30 Single reference field workflow
- 08:15 Multi-reference field workflows
- 10:40 Code Meets No-code
- 12:00 Custom request step in Zapier
- 18:00 Postman
- 24:00 Formatting Webflow IDs in Zapier
Reference values are item IDs
Webflow references point to items in a specified Collection. The current field reference defines single references as an item ID and multi-references as an array.
Here is illustrative fieldData for a freelancer linked to a city and two service records:
{
"name": "Example freelancer",
"slug": "example-freelancer",
"city": "5f8d0d55a9337c5f0e0e7e0d",
"services": ["5f8d0d55a9337c5f0e0e7e1f", "5f8d0d55a9337c5f0e0e7e2a"]
}
Replace the example IDs with actual items from each field's referenced Collection. Keep the source-to-Webflow ID mapping in Airtable. Names alone can match several records. Stop when a linked source record has no destination ID. Do not convert an empty lookup into a guessed ID. For intentional clearing, test the field's accepted empty value on a copied item before updating real content.
Zapier or Make may expose native reference fields. Use a custom API request only when the module cannot express the required values. The complete field-mapping guide includes a full request body and difficult field types.
The Zapier reference-field guide covers the companion workflow.
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