JSONata Tutorial

Counts

Calculation & Aggregation

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Counts

Task

Count the number of sub_line_items.

Your Expression
Your Result
No data
Input JSON
{
    line_items:[
      {
        product_id:1,
        quantity:1,
        sub_line_items:[
          {
            product_id:3,
            quantity:1
          }
        ]
      },
      {
        product_id:2,
        quantity:1,
        sub_line_items:[
          {
            product_id:4,
            quantity:1
          },
          {
            product_id:5,
            quantity:1
          }
        ]
      }
    ]
}
Expected Output
{
    count:3
}