Load time entries using HDL

Summary:

I would like to load time entries using HDL and was wondering if someone here has an example of HDL file populated or knows where to find some good documentation on how to populate the file as what is only the system does not help me very much.

Thank you

Content (required):

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

21D

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