How to get the corresponding value from the complex object returned by the interface of?

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1 
{
    "statusCode": 200,
    "headers": {
        "Connection": "keep-alive",
        …
        …
        "Content-Length": "1824",
        "Content-Type": "application/json"
    },
    "body": {
        "fields": [
            {
                "name": "dateOfCommencement",
                "region_id": "af50a7e1-a22e-4bb2-ae22-55a55a35104f",
                "type": "script",
                "value": "2022-05-27"
            },
            {
                "name": "dateOfExpiry",
                "region_id": "1c78b069-2fed-4b86-90cd-5aca4581ea2d",
                "type": "script",
                "value": "2023-05-26"
            },
            {
                "name": "certNo",
                "region_id": "7488c8e8-cdfe-4052-b774-2fa3eb1b62f3",
                "type": "script",
                "value": "7191111-1111-1111"
            },
            {
                "name": "address",
                "region_id": "98590000-b7d8-4fca-b33e-dd28c923f678",
                "type": "block-eng-chi",
                "value": "FLAT LC XXXXXXXXXXXXXXX"
            }
        ],
        "form_id": "9eaca234-0bfc-44f5-bbf1-90d6c65b1ad4",
        "status": "ok"
    }
}

I would like to get the value of each set (eg. the value of certNo).

You can obtain the value of the corresponding attribute in the following way
image

2

The premise here is that your array order will not change. If the array order will change, you can only get the corresponding value first, such as name=certNo, and then get the corresponding value.