Access query parameter that contain square brackets using handlebars template

Hi, there is a need to get query parameter that contain square brackets in template eg: localhost:8080/some_url/?filter[order_id]=123 I need to get value of filter[order_id], valid handlebars template for it is: "{{ request.query.[filter[order_id\]] }}" checked here http://tryhandlebarsjs.com/

my JSON API request: {"request": {"urlPath": "/some_url/", "method": "GET"}, "response": {"body": "{{ request.query.[filter[order_id\\]] }}", "status": 200, "transformers": ["response-template"]}}

but get 500 on request accessing this stub: wiremock.com.github.jknack.handlebars.HandlebarsException: inline@7c8b8743:1:17: found: '[filter[order_id\' {{ request.query.[filter[order_id\]] }}

how can I get this query parameter?

[tomakehurst]

Here’s how you do it:

{{lookup request.query 'filter%5Border_id%5D'}}

(EDITED: [ and ] need to be escaped)

[chitharanjanIT]

My requirement is to read a query parameter with dot “criteria.coverType”