m_make_theme( "foo", c_blue, c_green, c_yellow, c_red );
var _plan = [
    m_get_theme,
    "foo"
];

var _theme = m_perform_plan( _plan );
draw_set_colour( _theme[ __mono_EColour.text ] );
draw_text( 0, 0, "Hello World!" );

// Result: "Hello World!" in c_yellow

// Create Event
m_perform_plan([
    [
        id,
        ev_other,
        ev_user0
    ],
    "Hello World!"
] );

// User Event 0
msg = show_message_async( mono_load );

// Result: "Hello World!"