{
  "name": "distance",
  "type": "function",
  "groups": ["GeometryGroup"],
  "description": "Returns the minimum distance (based on spatial reference) between two geometries in projected units.",
  "arguments": [{
    "arg": "geometry1",
    "description": "a geometry"
  }, {
    "arg": "geometry2",
    "description": "a geometry"
  }],
  "examples": [{
    "expression": "distance( geom_from_wkt( 'POINT(4 4)' ), geom_from_wkt( 'POINT(4 8)' ) )",
    "returns": "4"
  }],
  "tags": ["projected", "reference", "spatial", "minimum", "units"]
}