QGIS/resources/function_help/json/ln

{
  "name": "ln",
  "type": "function",
  "description": "Returns the natural logarithm of a value.",
  "arguments": [ {"arg":"value","description":"numeric value"}],
  "examples": [
	{ "expression":"ln(1)", "returns":"0"},
	{ "expression":"ln(2.7182818284590452354)", "returns":"1"}
  ]
}