Sending Notifications using Ez Texting
So I have a server and an agent. I need to send a notification to a certain phone number when the agent (gateway) goes down (by making an action using {Luxerel:agent.ping.nodata(1m)}=1). I set up an Ez Texting account and made a media type of Ez Texting and added it to the admin user. I don't know how to tell Zabbix to send the notification from a certain contact in Ez Texting once the action is set to high. Please help with a detailed step by step process on how to do this.