BEA SWIFT Adapter - Manual (Page 95)

3. In the New Swift Message Format dialog that appears, select an existing
format based on which the new format is to be created. Select Create based on
selected format radio button. Click Next.
4. In the next dialog that appears you have various options to choose
Header/Trailer, Validation and Edit options. Click ‘Finish’ to create the message
after selecting the appropriate options.
Note:
The existing SWIFT system/service messages are under category ‘System’ and
‘Service’ respectively. When a format based on a message under these categories
is created the type of the message is automatically set as either System/Service.