Downloads an attachment in ServiceNow.
System ID (text): Can usually be found in the URL. For example, an Incident with the following URL:
Would have this sys_id: 23dc968f0a0a3c1900534f399927740e
- File Content (file): File content.
- Size (number): Size of the file.
- Name (text): The name of the file.
- Type (text): The file type.