Jmeter extract a value using BeanShell PostProcessor

Question

I want to extract b from the following response and use it as a parameter for a new request, can you help me?

Response:

[[
{"a": { "x": "123", "y": "456", "z": "789" }, "p": ["111"], "q": "222"},
"b"
]]

Answer 1

No need for Beanshell here.

Use JMeter 3.0 JSON Path Post Processor with following JSON Path Expression:

$..[1]

See this plan:

Syntax is described here:

• http://goessner.net/articles/JsonPath/