Macro event 

macro_rules! event {
    ($stat:path, $text:expr) => { ... };
    ($stat:path, $text:expr, $options:expr) => { ... };
    ($stat:expr, $text:expr) => { ... };
    ($stat:expr, $text:expr, $options:expr) => { ... };
    ($stat:expr, $text:expr; $( $key:literal => $value:literal ), *) => { ... };
    ($stat:expr, $text:expr, $options:expr; $( $key:literal => $value:literal ), *) => { ... };
    ($stat:path, $text:expr; $( $key:literal => $value:literal ), *) => { ... };
    ($stat:path, $text:expr, $options:expr; $( $key:literal => $value:literal ), *) => { ... };
    ($stat:expr, $text:expr; $( $key:expr => $value:expr ), *) => { ... };
    ($stat:expr, $text:expr, $options:expr; $( $key:expr => $value:expr ), *) => { ... };
    ($stat:path, $text:expr; $( $key:expr => $value:expr ), *) => { ... };
    ($stat:path, $text:expr, $options:expr; $( $key:expr => $value:expr ), *) => { ... };
}

Send a custom event as a title and a body NOTE: Try to minimise variation in tag values (avoid things like timestamps or ids). See note in lib docs!