$ spark msg -p <person> "hello world" # send message to specific person
$ spark msg -s <space> "hello world"  # send message to specific space
$ spark msg -f <filename> -p <person> # send file attachment to specific person
$ spark msg -f <filename> -s <space>  # send file attachment to specific space

$ spark help
$ spark help msg

{
  "auth": "thisisyourauthtokenforciscospark"
}

# send a message to sparky
$ spark msg -p 722bb271-d7ca-4bce-a9e3-471e4412fa77 "hello world"

# send a message to a space
$ spark msg -s Y2lzY29zcGFyazovL3VzL1JPT00vZGQ3OTljYjAtYTY2Mi0xMWU3LThhNjAtODcyMzRiYzQ2MmQ1 "hello world"

$ go build