file upload

Question

how we can fetch the document extension name and document type in when we upload something on UI

Mike Schmitt · Answer

Sounds like you should go to my old long-standing Feature Request and click "like" on it, and add a comment in support to amplify it and float it back to the top of Community for greater visibility. As far as I know, this is in Appian's "product enhancement backlog swamp" along with tons of other useful quality-of-life tweaks, to my chagrin. 
 I will let you in on the lesser-known fact, though, that the "get content object details by ID" function from the Content Details plug-in, CAN be fed a Doc ID and WILL return a text string containing the (full, un-parsed) filename, even for "newly uploaded but not yet submitted" documents. With a bit of work, this is a supported workaround that can help with your use case, though you must do it carefully and anyone who attempts this should first have a thorough understanding of how Expression Rules work in general.

Mike Schmitt · Answer

Unknown said: we can use document() function 
 document() is unable to access a newly-uploaded file at all - in fact it will crash and show the user an error. This is why I shared the work-around approach I detailed above .

file upload

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