QGIS/resources/function_help/json/array_get

{
  "name": "array_get",
  "type": "function",
  "groups": ["Arrays"],
  "description": "Returns the Nth value (0 for the first one) or the last -Nth value (-1 for the last one) of an array.",
  "arguments": [ {"arg":"array","description":"an array"},
                 {"arg":"index","description":"the index to get (0 based)"}],
  "examples": [ 
  { "expression":"array_get(array('a','b','c'),1)", "returns":"'b'"},
  { "expression":"array_get(array('a','b','c'),-1)", "returns":"'c'"}
  ]
}