# TTRPG Tools: Maps publish data (markers)
```json
{
"image": "z_Assets/Maps/0rv4hvctopz11.jpg",
"size": {
"w": 1200,
"h": 1200
},
"layers": [
{
"id": "default",
"name": "Default",
"visible": true
},
{
"id": "layer_99f0yg",
"name": "Layer1",
"visible": true
}
],
"markers": [
{
"id": "marker_wsxdtz",
"x": 0.4206405717581527,
"y": 0.14157007597560764,
"layer": "layer_99f0yg",
"link": "Note",
"iconKey": "pinBlue",
"tooltip": "This is note"
}
],
"bases": [
"z_Assets/Maps/0rv4hvctopz11.jpg"
],
"overlays": [],
"activeBase": "z_Assets/Maps/0rv4hvctopz11.jpg",
"measurement": {
"displayUnit": "auto-metric",
"scales": {
"z_Assets/Maps/0rv4hvctopz11.jpg": 0.006517354599163457
},
"metersPerPixel": 0.006517354599163457
}
}
```