{
  "name": "intersection",
  "type": "function",
  "groups": ["GeometryGroup"],
  "description": "Returns a geometry that represents the shared portion of two geometries.",
  "arguments": [{
    "arg": "geometry1",
    "description": "a geometry"
  }, {
    "arg": "geometry2",
    "description": "a geometry"
  }],
  "examples": [{
    "expression": "geom_to_wkt( intersection( geom_from_wkt( 'LINESTRING(3 3, 4 4, 5 5)' ), geom_from_wkt( 'LINESTRING(3 3, 4 4)' ) ) )",
    "returns": "'LINESTRING(3 3, 4 4)'"
  }, {
    "expression": "geom_to_wkt( intersection( geom_from_wkt( 'LINESTRING(3 3, 4 4, 5 5)' ), geom_from_wkt( 'MULTIPOINT(3.5 3.5, 4 5)' ) ) )",
    "returns": "'POINT(3.5 3.5)'"
  }],
  "tags": ["shared", "represents", "portion", "overlap"]
}