I referred Appian documentation but not much clarity. Image is stored in default path of Appian cloud and we can store document id in DB. Need to know process upload file to DB and get it downloaded using stored documentId from Db, using documentation i could store using ri!variable to DB, but don't know further process, Please give me visualization and required expression to read stored document ID to download it.
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Please provide some clarification as to the user experience you're hoping to create. Do you mean you want to enable a user to download a document based on the stored documentId?
Yes, How to process process model steps to get document downloaded based on document id.
I'm still not clear what you mean by "process model steps". The user would need to manually download the document by using a link you can provide on a SAIL form, either in a task within a process model, or on a Site page / report.