{
    "executable": "./my-custom-exec.sh",
    "arguments": [ "my-custom-exec.sh", "output.txt" ],
    "files": [
                {
                    "task_path": "my-custom-exec.sh",
                    "serv_path": "/some/directory/my-custom-exec.sh",
                    "type": "INPUT",
                    "binding": "LINK" },
                {
                    "task_path": "output.txt",
                    "serv_path": "/some/directory/output.txt",
                    "type": "OUTPUT",
                    "binding": "LINK"
                }
            ]
}