How to enable filename encryption in 7z?

Question

Windows

Actually, the question is how to set parameters in the console so that the output is an archive with a password and encrypted headers?
I do like this
7z.exe a test.7z -p123 -mhe manual.pdf the
password is put on the archive, but the file names are still read.

Answer 1

7z.exe -mhe=on try

Answer 2

7z.exe a test.7z manual.pdf -p123