Hi @mardex ,
Do you want to update image field in cds by using add picture control in powerapps?
Firstly, you need to use this to represent the image in add picture control:
UploadedImage1.Image
So the formula should be like:
Patch (...,...,{field: UploadedImage1.Image})
Secondly, you need to have full permission on the Note entity.
If you want to update any attachments including images, the file will be saved in Note entity automatically.
So the permission of Note entity is important. Or else you can not update successfully.
Best regards,