which rest assured method can be used to validate same field appearing any number of times

like Name field is appearing n number of times in json response of get request and the value of name will remain contant, now i want to validate the value of Name field appearing everytime in the json object as xyz

{

    "name": "xyz",
    "startDate": "2022-07-05T20:36:43",
},
{
    "name": "xyz",
    "startDate": "2022-07-05T20:36:43",

}