Message format – Emergency Alert System (EAS)
Overview
The Emergency Alert System (EAS) is a national warning system in the United States designed to allow authorised officials to broadcast emergency alerts and warning messages to the public via TV and radio.
OpenTV Platform is integrated with EAS.
Message format
Example payload of an EAS alert received by a client:
{
"data": {
"name": "tune",
"easStartTime": 1756385352,
"easDuration": 60,
"easEndTime": 1756385402,
"easType": "RMT",
"easEventType": "STATIC",
"easChannel": "GLOBAL_61854",
"easFips": "913121",
"easDescription": "A broadcast or cable system has issued A REQUIRED MONTHLY TEST for the following counties or areas: El Dorado, CA; at 9:39 AM on MAR 31,2021 Effective until 9:54 AM. Message from OneNet",
"referenceType": "EAS_UPDATE"
},
"content_available": true,
"priority": "high"
}
The client should:
Present the warning/alert message from the
easDescriptionfield.If
easEventTypeisSTART LIVE, it should switch to the channel specified in theeasChannelfield.
See Handling Emergency Alert System alerts for more details.