In Canvas App, my App is a form fillout with an attachment upload. These items are uploaded to a SharePoint List with a Default Patch Function.
My app also includes a gallery of all previous submissions. When a submission is selected, each form (including attachments) is set to EditForm(), and the 'Item' of each form is set to the gallery variable.
The file attachment upload works for the creation of a new submission. The both the information of the form and the attachment are successfully uploaded to the SharePoint list. All information can be recalled to the form via the gallery.
Here is the issue I am facing
Attachments recalled from the gallery populate the attachment form, but can not be reuploaded through the patch function.