Request Header Transform rule - validation error when declaring http.cookie["cookie_name"] #25478
Description
Example URL(s)
According to the instructions, we should be able to use the Transform rule to parse a specific key-value pair in http.cookie. However, it is throwing a value expression validation error.
Actual Behavior
'http.cookie["session_id"]' is not a valid value for expression because could not parse filter value expression: Filter parsing error (1:12): http.cookie["session_id"] ^^^^^^^^^^^^^^ cannot access index MapKey("session_id") for type Bytes
Expected Behavior
Additional information
No response