AND gate

Configuration

{
    "currentState": "undefined",
    "data": {
        "a": false,
        "b": false
    },
    "methods": {
        "a": "sm.data.a = msg.payload;",
        "b": "sm.data.b = msg.payload;",
        "onTransition": [
            "if (sm.data.a && sm.data.b) {",
            "   sm.currentState = true;",
            "   sm.fill = 'green';",
            "} else {",
            "   sm.currentState = false;",
            "   sm.fill = 'yellow';",
            "}",
            "msg.payload = sm.currentState;",
            "output = true;"
        ],
        "status": {
            "fill": {
                "get": "sm.fill;"
            },
            "shape": "dot",
            "text": {
                "get": "sm.currentState;"
            }
        }
    }
}

Flow

[{"id":"bc8967c5.5db488","type":"inject","z":"cb099c1f.9ea6b","name":"","topic":"a","payload":"false","payloadType":"bool","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":90,"y":3000,"wires":[["297807c2.f52008"]]},{"id":"bc4dc61a.f01998","type":"inject","z":"cb099c1f.9ea6b","name":"","topic":"b","payload":"true","payloadType":"bool","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":90,"y":3140,"wires":[["297807c2.f52008"]]},{"id":"6aeef8ba.d459e8","type":"inject","z":"cb099c1f.9ea6b","name":"","topic":"b","payload":"false","payloadType":"bool","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":90,"y":3100,"wires":[["297807c2.f52008"]]},{"id":"6ec5688a.41f3e8","type":"inject","z":"cb099c1f.9ea6b","name":"","topic":"a","payload":"true","payloadType":"bool","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":90,"y":3040,"wires":[["297807c2.f52008"]]},{"id":"297807c2.f52008","type":"dsm","z":"cb099c1f.9ea6b","name":"AND","sm_config":"{\n    \"currentState\": \"undefined\",\n    \"data\": {\n        \"a\": false,\n        \"b\": false\n    },\n    \"methods\": {\n        \"a\": \"sm.data.a = msg.payload;\",\n        \"b\": \"sm.data.b = msg.payload;\",\n        \"onTransition\": [\n            \"if (sm.data.a && sm.data.b) {\",\n            \"   sm.currentState = true;\",\n            \"   sm.fill = 'green';\",\n            \"} else {\",\n            \"   sm.currentState = false;\",\n            \"   sm.fill = 'yellow';\",\n            \"}\",\n            \"msg.payload = sm.currentState;\",\n            \"output = true;\"\n        ],\n        \"status\": {\n            \"fill\": {\n                \"get\": \"sm.fill;\"\n            },\n            \"shape\": \"dot\",\n            \"text\": {\n                \"get\": \"sm.currentState;\"\n            }\n        }\n    }\n}","x":260,"y":3080,"wires":[["37af395f.cbf106"]]},{"id":"37af395f.cbf106","type":"debug","z":"cb099c1f.9ea6b","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":410,"y":3080,"wires":[]}]