SNMP-how to set the interface Alias under the trigger prototype description field

[Zabchix]

Hi ,there is the default template: "Template SNMP Interfaces" , what I want to do is the following:
put item prototype:
Alias of interface {#SNMPVALUE} ifAlias[{#SNMPVALUE}]

to trigger prototype:
Operational status was changed on {HOST.NAME} interface {#SNMPVALUE}...

[umapathy]

Hi Team

How to set alias name automatically during zabbix auto registraion action.

Can you guide please

Thanks