The WalletUploadLocation object, maintains the location of the wallet pass file. This is used when creating templates to provide the location of your image files when constructing the template.
The key is used when creating your template record to map back the image file to the template during template construction.
The uploadUrl is the location you will upload your image file to for use in the template.
The WalletUploadLocation object, maintains the location of the wallet pass file. This is used when creating templates to provide the location of your image files when constructing the template.