CHANNEL_MESSAGE_TEXT_SEPARATED

%1$@| %2$@
the text before | is a header, the text after | is shown on a new line
9
Applied
%1$@|%2$@
9/9
Nice Giraffe, Sep 1, 2019 at 01:30
Applied
%1$@:|%2$@
10/9
Nice Giraffe, Dec 28, 2018 at 22:31