{
    "$id": "https://www.amwa.tv/event_and_tally/command_health.json",
    "$schema": "http://json-schema.org/draft-04/schema#",
    "description": "Command that initiates a health message to be generated in order to check the state of the connection and the sender",
    "properties": {
        "command": {
            "description": "A fixed string showing this is a health command",
            "pattern": "^health$",
            "type": "string"
        },
        "timestamp": {
            "description": "String formatted TAI timestamp (<seconds>:<nanoseconds>) indicating the time the command was issued",
            "pattern": "^[0-9]+:[0-9]+$",
            "type": "string"
        }
    },
    "required": [
        "command",
        "timestamp"
    ],
    "title": "Health command",
    "type": "object"
}