QGIS/resources/function_help/json/is_multipart

{
  "name": "is_multipart",
  "type": "function",
  "groups": ["GeometryGroup"],
  "description": "Returns true if the geometry is of Multi type.",
  "arguments": [ {"arg":"geometry","description":"a geometry"} ],
  "examples": [ { "expression":"is_multipart(geom_from_wkt('MULTIPOINT ((0 0),(1 1),(2 2))'))", "returns":"true"},
                { "expression":"is_multipart(geom_from_wkt('POINT (0 0)'))", "returns":"false"}]
}