Using Hold Constant on a Funnel Property That's a List of Objects in Analytics Tracking

·Feb 25, 2026 06:33 PM·

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Does anyone know if it's possible or have any experience using Hold constant on a funnel for a property that's a List of Objects? Context: As of now, my team has implemented each item displayed on a page as a separate load event with card_type showing what is in that display (screenshot in 🧵). This makes it easy to split up but also means we're firing a bunch of events for the same thing. I'm wondering if we could bundle a few properties (e.g. card_type, card_title ) into one property and still track conversion broken out by that nested property

3 comments

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Josh C.
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Josh C.
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When I try to form a funnel where I hold constant 2 properties that are part of the same List of Objects, the funnel breaks and I get this response
Rodrigo P.
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I'm afraid you won't be able to create that funnel. I ran into the same issue trying to compare product_list_viewed (where multiple products are stored in an object) with product_clicked (where the product is a single event-level property). Mixpanel simply can't compare property.products[0].product_id with property.product_id

Josh C.
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·
Josh C.
·
·
When I try to form a funnel where I hold constant 2 properties that are part of the same List of Objects, the funnel breaks and I get this response
Rodrigo P.
·
·
I'm afraid you won't be able to create that funnel. I ran into the same issue trying to compare product_list_viewed (where multiple products are stored in an object) with product_clicked (where the product is a single event-level property). Mixpanel simply can't compare property.products[0].product_id with property.product_id