In discuz, which frontend address is attachpay.htm in forum-php?

In the discuzpage, which frontend address is attachpay.htm in the forumbar in discuz, and which frontend address is attachpay.htm?

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This is a pop-up box for purchasing attachments.
/Forum. php? Mod = misc & action = attachpay & aid = attachment id & tid = topic id & infloat = yes & handlekey = attachpay & inajax = 1 & ajaxtarget = fwin_content_attachpay

This is a pop-up box for purchasing attachments.
/Forum. php? Mod = misc & action = attachpay & aid = attachment id & tid = topic id & infloat = yes & handlekey = attachpay & inajax = 1 & ajaxtarget = fwin_content_attachpay

I have compared the code in it. It seems no. There is a breadcrumb navigation bar, and the structure is different.

This is a pop-up box for purchasing attachments.
/Forum. php? Mod = misc & action = attachpay & aid = attachment id & tid = topic id & infloat = yes & handlekey = attachpay & inajax = 1 & ajaxtarget = fwin_content_attachpay

Oh, I see.
However, the above judgment is:
Under what circumstances will this be used without a window?

Why don't you see any judgment in it?
Compare the language pack {lang author} {lang attachment }....

I don't know. I only see this parameter.
/Forum. php? Mod = misc & action = attachpay & aid = attachment id & tid = topic id & infloat = yes & handlekey = attachpay & inajax = 1 & ajaxtarget = fwin_content_attachpay