Hi Masashi,

SAKURAI Masashi <m.sakurai@kiwanami.net> writes:

> Then, I use the function org-agenda-get-day-entries to get schedule
> items of the org-agenda-files. The function can receive some arguments
> to limit the tasks, but I didn't understand exactly.  

See the attached patch -- org-agenda-get-day-entries can take more
arguments like :scheduled :deadline to help reduce the size of listed
entries.  See the docstring of org-diary, which understands the same
list of arguments.

Hope this helps,