QGIS/resources/function_help/json/make_rectangle_3points

{
  "name": "make_rectangle_3points",
  "type": "function",
  "groups": ["GeometryGroup"],
  "description": "Creates a rectangle from 3 points.",
  "arguments": [
    {"arg":"point1", "description": "First point."},
    {"arg":"point2", "description": "Second point."},
    {"arg":"point3", "description": "Third point."},
    {"arg":"option", "optional": true, "default": "0", "description":
    "An optional argument to construct the rectangle. By default this value is 0. Value can be 0 (distance) or 1 (projected). Option distance: Second distance is equal to the distance between 2nd and 3rd point. Option projected: Second distance is equal to the distance of the perpendicular projection of the 3rd point on the segment or its extension."}
  ],
  "examples": [
    { "expression":"geom_to_wkt(make_rectangle_3points(make_point(0, 0), make_point(0,5), make_point(5, 5), 0)))", "returns":"'Polygon ((0 0, 0 5, 5 5, 5 0, 0 0))'"},
    { "expression":"geom_to_wkt(make_rectangle_3points(make_point(0, 0), make_point(0,5), make_point(5, 3), 1)))", "returns":"'Polygon ((0 0, 0 5, 5 5, 5 0, 0 0))'"}
  ]
}