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length()

The length() function takes one argument of the JSON pointer type and returns the length of the passed value. For example, length(/message) returns a length of 10 when a key message exists in the event and has a value of 1234567890.

Example

{
  "event": {
    "/message": "1234567890"
  },
  "expression": "length(/message)",
  "expected_output": 10
}

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