Good Day,
I want to save signatures recorded from a Pen Input into an excel table for archival that includes Columns like AssetId, ProductId, ReservedByName, NameSignature,Remarks,ApprovedByName, ApprovingSignature. The two bolded columns are meant to store the image blob URL. I have tried referring to this blog for help: PowerApps - Saving Digital Signatures to OneDrive - RSM Technology (rsmus.com)
However, the difference is that instead of using Defaults(<<Table name>>), I am using Patch and LookUp to update an existing record.
I have a button which submits the form, and there are two additional lines of code to help me store the image into the excel record which was just submitted. For e.g SubmitForm(ReserveForm); Patch(Assets, LookUp(Assets,AssetId = ReserveForm.LastSubmit.AssetId), {NameSignature: SignatureRequester.Image}); Patch(Assets, LookUp(Assets,AssetId = ReserveForm.LastSubmit.AssetId), {ApprovingSignature: SignatureApproving.Image}). However, everytime I select the button, the blob URLs are not saved to the excel. The column remains empty. Also there isn't a folder automatically created called Assets_images like the blog mentioned above said would happen. I already double checked to ensure the LookUp function works as well.
If I follow the blog and use Defaults(Assets), it works however, it creates a record with all the fields left empty except for NameSignature or ApprovingSignature.
Below are screenshots of my test case.
Focus on AssetId 38, showcasing the event where I patch with the base record being Defaults(Assets)
Showcasing the event where I patch with the base record using LookUp
