line.hfd

{
    "params": {
        "from": "0,0",
        "to": "1,1"
    },
    "parts": [
        {   
            "components": [
                {
                    "type": "basic_edge",
                    "custom_component": {
                        "type": "line"
                    },
                    "components" : [
                        {
                            "type": "draw",
                            "commands": [
                                {
                                    "command": "move",
                                    "to": "0,0"
                                },
                                {
                                    "command": "line",
                                    "to": "width,0"
                                }
                            ]  
                        }
                    ]
                }

                
            ]
        }
    ]
}