// This is generated by ESQL's AbstractFunctionTestCase. Do no edit it. See ../README.md for how to regenerate it.

*Parameters*

`field`::
Multivalue expression. If `null`, the function returns `null`.

`start`::
Start position. If `null`, the function returns `null`. The start argument can be negative. An index of -1 is used to specify the last value in the list.

`end`::
End position(included). Optional; if omitted, the position at `start` is returned. The end argument can be negative. An index of -1 is used to specify the last value in the list.