# TTRPG Tools: Maps publish data (markers)
```json
{
"size": {
"w": 2000,
"h": 2000
},
"layers": [
{
"id": "default",
"name": "Default",
"visible": true,
"locked": false
}
],
"markers": [
{
"type": "pin",
"id": "marker_x2vsmh",
"x": 0.4234418343698896,
"y": 0.4313631379124575,
"layer": "default",
"link": "Stone Castle",
"iconKey": "pinRed",
"tooltip": ""
}
],
"bases": [
{
"path": "xx_Assets/Maps/Stonecastle.jpg"
}
],
"overlays": [],
"activeBase": "xx_Assets/Maps/Stonecastle.jpg",
"measurement": {
"displayUnit": "km",
"scales": {},
"customUnitPxPerUnit": {},
"travelTimePresetIds": [],
"travelDaysEnabled": false
},
"pinSizeOverrides": {},
"panClamp": true,
"drawLayers": [],
"drawings": [],
"grids": [],
"textLayers": [],
"secondScreen": {
"showGrids": true
},
"frame": {
"w": 681,
"h": 480
}
}
```