What would be the correct json REST API request to get the HOST list by group name?

Question

Python

Hello.
you need to get a list of hosts on monitoring in Zabbix
found this json by group id in zabbix

zabbix_get= \
        {
            "jsonrpc": "2.0",
            "method": "host.get",
            "params": {
                "output": ["host"],
                "groupids": ["1945"],
            },
            "auth": authToken.get("result"),
            "id": authToken.get("id")
        }

returns normally a list of hosts, BUT
there was a desire to give the group name as an input, for example "Group1"
How will the JSON request look like?