I have a module where I want to send data to an API whenever any filter is applied on the product listing/category view page (list or grid). The data being sent should contain only the latest filter applied, not all the filters.

I can write the rest of the logic in an observer but I can't seem to find any event which is dispatched whenever a filter is applied.


I think you can use above events for your purpose

when you initially load on listing page you get $_GET null array

and if some filter is there then you will get some value

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Can try log all Events to file-log -


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  • Unrelated and not useful – Jay Ghosh May 13 at 14:51

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