From service now the short description is in an array
Example
{ "results": [ { "number": "INC0011301", "short_description": "lorem ipsum short description 0 my new incident" }, { "number": "INC0011302", "short_description": "lorem ipsum short description 1 my new incident" }, { "number": "INC0011303", "short_description": "lorem ipsum short description 2 my new incident" }, { "number": "INC0011304", "short_description": "lorem ipsum short description 3 my new incident" }, { "number": "INC0011309", "short_description": "lorem ipsum short description 8 my new incident" }, { "number": "INC0011310", "short_description": "lorem ipsum short description 9 my new incident" }, { "number": "INC0011311", "short_description": "lorem ipsum short description 0 my new incident" }, { "number": "INC0011312", "short_description": "lorem ipsum short description 1 my new incident" }, { "number": "INC0011313", "short_description": "lorem ipsum short description 2 my new incident" }, { "number": "INC0011314", "short_description": "lorem ipsum short description 3 my new incident" }, { "number": "INC0011315", "short_description": "lorem ipsum short description 4 my new incident" }, { "number": "INC0011326", "short_description": "lorem ipsum short description 15 my new incident" } ] }
To get the last one assign this json path to an variable
$.results[-1:].short_description