The customer portal site can successfully view relevant information, but they still need a button to upload files.
Consider using the following lightning-file-upload lightning web component to do so link.
With this, the user should be able to:
Click the button to select a file from your system's file browser
Drag a file from your system into the file selector drop zone
The customer portal site can successfully view relevant information, but they still need a button to upload files. Consider using the following lightning-file-upload lightning web component to do so link.
With this, the user should be able to: