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": "pos",
    "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'"
  }],
  "tags": ["array", "position", "index", "last", "nth", "one", "first"]
}