alexa turn light on for X minutes then turn off.

gistfile1.txt

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        "type": "alexa-local",
        "z": "e4a40a49.615548",
        "devicename": "Office fan",
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    {
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        "name": "",
        "property": "payload",
        "propertyType": "msg",
        "rules": [
            {
                "t": "eq",
                "v": "on",
                "vt": "str"
            },
            {
                "t": "eq",
                "v": "off",
                "vt": "str"
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        ],
        "checkall": "true",
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        "rules": [
            {
                "t": "set",
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                "pt": "msg",
                "to": "ON",
                "tot": "str"
            }
        ],
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        "to": "",
        "reg": false,
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    {
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        "type": "change",
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        "name": "Set to OFF",
        "rules": [
            {
                "t": "set",
                "p": "payload",
                "pt": "msg",
                "to": "OFF",
                "tot": "str"
            }
        ],
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        "op1": "ON",
        "op2": "OFF",
        "op1type": "str",
        "op2type": "str",
        "duration": "15",
        "extend": true,
        "units": "min",
        "reset": "reset",
        "bytopic": "all",
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        "type": "mqtt out",
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        "topic": "cmnd/sonoff_touch1/power",
        "qos": "",
        "retain": "",
        "broker": "f6a39141.63cf2",
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        "payload": "ON",
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        "type": "debug",
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        "active": true,
        "tosidebar": true,
        "console": true,
        "tostatus": false,
        "complete": "true",
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        "wires": []
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    {
        "id": "f61d1390.46557",
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        "payload": "reset",
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    {
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        "z": "e4a40a49.615548",
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        "topic": "",
        "payload": "OFF",
        "payloadType": "str",
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        "crontab": "",
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        "id": "f6a39141.63cf2",
        "type": "mqtt-broker",
        "z": "",
        "broker": "192.168.1.60",
        "port": "1883",
        "clientid": "",
        "usetls": false,
        "compatmode": true,
        "keepalive": "60",
        "cleansession": true,
        "birthTopic": "",
        "birthQos": "0",
        "birthPayload": "",
        "willTopic": "",
        "willQos": "0",
        "willPayload": ""
    }
]