TLDR: The Thirdfort app allows uploading optional documents, including extra pictures or PDFs, at the end of the process for any missed or additional information.
Source of Funds Evidence
If you finished a step early by mistake, continue on with the rest of your tasks in the Thirdfort app. At the very end of the app journey, you will see a section that says ‘Upload Optional Documents’ at the bottom of the screen.
There, you can add any extra pictures or PDF’s you wish to share, or anything that you missed earlier in any other tasks.