Sample JSON:

{
"firstName": "John",
"lastName": "doe",
"age": 26,
"address": {
"streetAddress": "naist street",
"city": "Nara",
"postalCode": "630-0192"
},
"phoneNumbers": [
{
"type": "iPhone",
"number": "0123-4567-8888"
},
{
"type": "home",
"number": "0123-4567-8910"
}
]
}

Query:
$.phoneNumbers.length

On using the 'SelectTokens' to run the query I am not able to get the length value from the query.

Expcted:
[
2
]

IMPORTANT NOTE:
https://github.com/json-path/JsonPath#functions

Can be Functions like length() supported here.