gre.key_down

    gre.key_down(
        code,
        [channel]
    )

Send a gre.keydown event to the application with the scancode passed in the parameters.

Parameters

Parameter	Type	Description
code	#string	The UTF-8 character code to inject channel An optional Storyboard IO channel to send the event on, if not specified the event is added directly into the current Storyboard application event queue if neither the environment variable or global GREIONAME variable are set.
channel	#string	[Optional] The Storyboard IO channel on which to send the event. If not specified the event is added directly into the current Storyboard application event queue if neither the environment variable or global GREIONAME variable are set.

Returns

Type	Description
#boolean	true for success, false for failure
#string	nil for success and an error message, e.g. "Can't open greio channel my_channel" on failure

Example

function CBSpaceDown()
    gre.key_down(0x20)
end

function CBSendSpaceDown()
    local success, error = gre.key_down(0x20, "my_channel")
    if(success == false) then
        print(error)
        --handle error
    end
end