how to get the name hostgroup in macro for custom link (context menu of host)

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Hi!

i try to get the current hostgroup name for a custom link in the context menu of my hosts

i need this because i want to link from the host to a grafana instance / dashboard

the needed parameters are "hostgroup" und "host" (i am using the zabbix-grafana template)

i use ALERTS -> SCRIPT -> type URL in order to "generate" the url for grafana

e.g.: https://grafana.test.internal/zabbix...var-hostgroup={TRIGGER.HOSTGROUP.NAME}&var-host={HOST.NAME}

the hostname is working - i can get it via {HOST.NAME} macro

but i did not find any way to get the name of the hostgroup with a macro

i already used {TRIGGER.HOSTGROUP.NAME} and {HOSTGROUP.ID} from the dokumentation but the values are not replaced with the corresponding hostgroupname the host is in

any help very much appreciated