You can use |reverse in scripting to reverse any given block of text or list. |reverse(true) will do so while preserving array keys. %}

• automation
• output

• start:
    return:
      reversed_list@csv: {{[1,2,3,4,5]|reverse|join(',')}}
      reversed_text: {{"This is text to reverse."|reverse}}

• __return:
    reversed_list:
    - "5"
    - "4"
    - "3"
    - "2"
    - "1"
    reversed_text: .esrever ot txet si sihT