Sort objects by key property

Here is an example of using the |sort filter with arrow functions to create custom sorting rules.

• automation
• output

• 
  start:
    set:
      example_data@json: 
        [
          {"name": "Item 1", "key": "ZZZ"},
          {"name": "Item 2", "key": "MMM"},
          {"name": "Item 3", "key": "AAA"}
        ]
    return:
      sorted: {{example_data|sort((a,b)=> a.key<=>b.key)|column('name')|join(', ')}}
  
  

• 
  __return:
    sorted: Item 3, Item 2, Item 1