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The site has an iframe and I can't access by cypress any of its content. Tried some guides but found no solution. Any help?

Ah could you please elaborate your problem in more detail?

So, I want to access the document of this iframe, because Cypress is not directly detecting the elements inside the document. I read in a couple guides that you need to somehow get the document and then work within it, but here the contentDocument of the iframe is null, so I don't know how to get the document.
https://cdn.discordapp.com/attachments/1108095668280623194/1108317600309575700/image.png

I don't know what other info I can provide