How to add attachments for subledger journal?

Summary:

Basically, in General ledger if we create journals we could be able to see the attachments but we couldn't be able to find in subledger. Can you pls help us where we can add the attachments in subledger journal.

Content (please ensure you mask any confidential information):

Basically, in General ledger if we create journals we could be able to see the attachments but we couldn't be able to find in subledger. Can you pls help us where we can add the attachments in subledger journal.

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Code Snippet (add any code snippets that support your topic, if applicable):