Is there a limit to the number of files and the total file size that can be attached?

Summary:

I want to know the limit to the number of files and the total file size that can be attached in the file attach attribute for one transaction,

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

25B patch 2

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