-a parameters '[{"name": "payload", "required":true, "description":"A string"}], { "name": "separator", "required": false, "description": "The character, or the regular expression, to use for splitting the string }]'\
-a sampleInput '{ "payload": "one,two,three" "separator": "," }'\
-a parameters '[{"name": "payload", "required":true, "description":"A string"}], { "name": "separator", "required": false, "description": "The character, or the regular expression, to use for splitting the string" }]'\
-a sampleInput '{ "payload": "one,two,three", "separator": "," }'\
-a sampleOutput '{ "lines": [one, two, three], "payload": "one,two,three"}'