{
  "name": "make_point",
  "type": "function",
  "description": "Creates a point geometry from an x and y (and optional z and m) value.",
  "arguments": [
    {"arg":"x","description":"x coordinate of point"},
    {"arg":"y","description":"y coordinate of point"},
    {"arg":"z", "optional": true, "description":"optional z coordinate of point"},
    {"arg":"m", "optional": true, "description":"optional m value of point"}
  ],
  "examples": [
    { "expression":"geom_to_wkt(make_point(2,4))", "returns":"'Point (2 4)'"},
    { "expression":"geom_to_wkt(make_point(2,4,6))", "returns":"'PointZ (2 4 6)'"},
    { "expression":"geom_to_wkt(make_point(2,4,6,8))", "returns":"'PointZM (2 4 6 8)'"}
  ]
}