{
  "name": "geom_to_wkb",
  "type": "function",
  "description": "Returns the Well-Known Binary (WKB) representation of a geometry as a binary blob.",
  "arguments": [ {"arg":"geometry","description":"a geometry"}],
  "examples": [ { "expression":"geom_to_wkb( $geometry )", "returns":"binary blob containing a geometry object"}
  ]
}