Signing endpoint parameters

These are the supported fields in the JSON object:

Setting	Description
driveId	Unique identifier of the OneDrive or SharePoint repository.
driveItemId	Unique identifier (UID) of the document to sign.
mode	Determines how the signed document is saved. Can be: - new: creates a new file in SharePoint with the suffix defined in suffix. - overwrite: replaces the original document with the signed version.
suffix (optional, used when mode = new)	Suffix to append to the filename. Default is _signed. If empty (""), a timestamp will be added instead.
domain (optional)	Used to specify the authentication domain, such as "oauth" or "saml". If left empty, the default is "". This allows Signtrust to initiate the session through the specified authentication service configured in the admin console.