How to send digital signature in XML file via API in Fusion

Summary:

The Malaysia Tax Authority has announced to implement e-invoicing for AR of which the e-invoice file will need to contain the digital signature.

Content (required):

The Malaysia Tax Authority requires all organization to send the customer invoice to them to validate before being issued out to the customer via API (XML file). In order for the Tax Authority to validate the XML file is from a certain organization, a Digital Certificate will be issued to respective organization to attach their digital signature. This digital signature will needs to be part of the e-invoice XML body when sending to the Tax Authority.