How can I filter a CMS collection list by the current user ID on my Webflow blog website using Finsweet attributes and webhooks to get user information and IDs into a dedicated CMS collection?

To filter a Webflow CMS Collection List by the current user ID, you'll first need to store user-specific data in a CMS Collection and use Finsweet Attributes with custom JavaScript and webhooks to connect and filter the data. Here's how:

1. Set Up Your CMS Collections

• Create a Users CMS Collection with fields such as:
• Name
• Email
• User ID (custom ID based on your auth system)
• Create a Posts or Blog Articles Collection that includes a Reference or Multi-Reference field to Users, so you can relate each post to a user.

2. Add User Data via Webhook

• Use your authentication system (e.g., MemberStack, Firebase, or custom backend) to trigger a webhook whenever a new user registers or logs in.
• On webhook reception, use Webflow CMS API to:
• Create or update the user in the Users Collection.
• Capture their unique User ID and any other relevant info.

3. Install Finsweet Attributes for Filtering

• Go to the Finsweet Attributes CMS Filter tool.
• Add the Finsweet CMS Filter script to your site’s Before custom code section:
• Get the correct script from the Attributes site.
• This script links elements with filtering behavior via specific data- attributes.

4. Pass Current User ID to Webflow Page

• When a user logs in (via MemberStack or your auth method), store their user ID in the browser using:
• Cookies
• Local Storage
• Or inject it directly into the DOM or as a hidden component (like in a div#user-id with data-id="12345").

5. Use JavaScript + Finsweet to Filter Collection by User

• Create a Collection List of blog posts on your page.
• On page load, use JavaScript to:
• Read the current user ID from the DOM or storage.
• Set a Finsweet attribute like data-filter-user="12345" on a hidden filter element or trigger.
• Trigger the .fs-cmsfilter logic with a “programmatic” filter to match CMS items with that user ID (ensure each item includes a field with the user ID embedded in it for comparison).
• Example of user ID filtering logic using fs-cmsfilter:
• Assign a custom attribute like data-user-id to each Collection item via a custom attribute in Webflow.
• Programmatically enable a filter where data-user-id == currentUserId.

6. Ensure Collection Items Expose the User ID

• In your CMS Item list, bind a visible or hidden element to the User ID field in the Blog Post Collection.
• Add a custom attribute like data-user-id={User ID} to each item.
• This exposes the ID for JavaScript comparison by fs-attributes.

Summary

To filter CMS items in Webflow by current user ID:

• Store users in a CMS Collection with unique IDs via webhook API calls.
• Use Finsweet CMS Filters to dynamically filter blog posts.
• Expose user IDs in Collection Items.
• Pass current user’s ID to the frontend via storage or injected DOM.
• Use JavaScript to filter CMS items that match the current user’s ID using Finsweet Attributes.

This enables a user-specific filtered view without needing server-rendered logic.