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
}