Zabbix 6.4 Map Element Label Macro is not displaying any values

[TarquinDuvale]

Expand Macro is On

Label values I have tried are is

{{HOST.HOST}:system.cpu.load[all,avg1].last()}
{{HOST.HOST}:system.cpu.num}

Any idea of the issue here ?

[cyber]

I think wrong syntax... looks like the old one.
{?last(/{HOST.HOST}/{ITEM.KEY})}

https://www.zabbix.com/documentation/6.0/en/manual/config/macros/expression_macros