A Node-RED flow to emulate an Apple TV remote for a samsung TV via Logitech Harmony IR commands

Samsung TV to Apple TV Remote Emulation Flow

[
    {
        "id": "398bef58.0823b",
        "type": "server-events",
        "z": "7d4c9938.2a0338",
        "name": "Apple TV Remote",
        "server": "78fe396.483dac8",
        "event_type": "homekit_tv_remote_key_pressed",
        "exposeToHomeAssistant": false,
        "haConfig": [
            {
                "property": "name",
                "value": ""
            },
            {
                "property": "icon",
                "value": ""
            }
        ],
        "waitForRunning": true,
        "x": 140,
        "y": 1120,
        "wires": [
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    {
        "id": "5faa8fc8.def59",
        "type": "api-call-service",
        "z": "7d4c9938.2a0338",
        "name": "Arrow Left",
        "server": "78fe396.483dac8",
        "version": 1,
        "debugenabled": false,
        "service_domain": "remote",
        "service": "send_command",
        "entityId": "remote.harmony_hub",
        "data": "{\"device\":\"Samsung TV\",\"command\":[\"DirectionLeft\"]}",
        "dataType": "json",
        "mergecontext": "",
        "output_location": "payload",
        "output_location_type": "msg",
        "mustacheAltTags": false,
        "x": 770,
        "y": 1000,
        "wires": [
            []
        ]
    },
    {
        "id": "15f6fb28.5325e5",
        "type": "switch",
        "z": "7d4c9938.2a0338",
        "name": "Cmd Interpreter",
        "property": "payload.event.key_name",
        "propertyType": "msg",
        "rules": [
            {
                "t": "eq",
                "v": "arrow_left",
                "vt": "str"
            },
            {
                "t": "eq",
                "v": "arrow_right",
                "vt": "str"
            },
            {
                "t": "eq",
                "v": "arrow_up",
                "vt": "str"
            },
            {
                "t": "eq",
                "v": "arrow_down",
                "vt": "str"
            },
            {
                "t": "eq",
                "v": "back",
                "vt": "str"
            },
            {
                "t": "eq",
                "v": "information",
                "vt": "str"
            },
            {
                "t": "eq",
                "v": "select",
                "vt": "str"
            }
        ],
        "checkall": "true",
        "repair": false,
        "outputs": 7,
        "x": 500,
        "y": 1120,
        "wires": [
            [
                "5faa8fc8.def59"
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            [
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    },
    {
        "id": "2ee572cf.c3ab0e",
        "type": "switch",
        "z": "7d4c9938.2a0338",
        "name": "is Samsung TV?",
        "property": "payload.entity_id",
        "propertyType": "msg",
        "rules": [
            {
                "t": "eq",
                "v": "media_player.samsung_tv",
                "vt": "str"
            }
        ],
        "checkall": "true",
        "repair": false,
        "outputs": 1,
        "x": 320,
        "y": 1120,
        "wires": [
            [
                "15f6fb28.5325e5"
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        ]
    },
    {
        "id": "8d53a9b9.0092a8",
        "type": "api-call-service",
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        "name": "Arrow Right",
        "server": "78fe396.483dac8",
        "version": 1,
        "debugenabled": false,
        "service_domain": "remote",
        "service": "send_command",
        "entityId": "remote.harmony_hub",
        "data": "{\"device\":\"Samsung TV\",\"command\":[\"DirectionRight\"]}",
        "dataType": "json",
        "mergecontext": "",
        "output_location": "payload",
        "output_location_type": "msg",
        "mustacheAltTags": false,
        "x": 770,
        "y": 1040,
        "wires": [
            []
        ]
    },
    {
        "id": "31ccec9c.f8bf24",
        "type": "api-call-service",
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        "name": "Arrow Up",
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        "version": 1,
        "debugenabled": false,
        "service_domain": "remote",
        "service": "send_command",
        "entityId": "remote.harmony_hub",
        "data": "{\"device\":\"Samsung TV\",\"command\":[\"DirectionUp\"]}",
        "dataType": "json",
        "mergecontext": "",
        "output_location": "payload",
        "output_location_type": "msg",
        "mustacheAltTags": false,
        "x": 760,
        "y": 1080,
        "wires": [
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        ]
    },
    {
        "id": "54457a1a.1d8364",
        "type": "api-call-service",
        "z": "7d4c9938.2a0338",
        "name": "Arrow Down",
        "server": "78fe396.483dac8",
        "version": 1,
        "debugenabled": false,
        "service_domain": "remote",
        "service": "send_command",
        "entityId": "remote.harmony_hub",
        "data": "{\"device\":\"Samsung TV\",\"command\":[\"DirectionDown\"]}",
        "dataType": "json",
        "mergecontext": "",
        "output_location": "payload",
        "output_location_type": "msg",
        "mustacheAltTags": false,
        "x": 770,
        "y": 1120,
        "wires": [
            []
        ]
    },
    {
        "id": "c6b13a5c.b54578",
        "type": "api-call-service",
        "z": "7d4c9938.2a0338",
        "name": "Select",
        "server": "78fe396.483dac8",
        "version": 1,
        "debugenabled": false,
        "service_domain": "remote",
        "service": "send_command",
        "entityId": "remote.harmony_hub",
        "data": "{\"device\":\"Samsung TV\",\"command\":[\"Select\"]}",
        "dataType": "json",
        "mergecontext": "",
        "output_location": "payload",
        "output_location_type": "msg",
        "mustacheAltTags": false,
        "x": 750,
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        "wires": [
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    },
    {
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        "type": "api-call-service",
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        "name": "Smart Hub",
        "server": "78fe396.483dac8",
        "version": 1,
        "debugenabled": false,
        "service_domain": "remote",
        "service": "send_command",
        "entityId": "remote.harmony_hub",
        "data": "{\"device\":\"Samsung TV\",\"command\":[\"SmartHub\"]}",
        "dataType": "json",
        "mergecontext": "",
        "output_location": "payload",
        "output_location_type": "msg",
        "mustacheAltTags": false,
        "x": 770,
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        "wires": [
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    },
    {
        "id": "15b52dd8.16eab2",
        "type": "api-call-service",
        "z": "7d4c9938.2a0338",
        "name": "Back",
        "server": "78fe396.483dac8",
        "version": 1,
        "debugenabled": false,
        "service_domain": "remote",
        "service": "send_command",
        "entityId": "remote.harmony_hub",
        "data": "{\"device\":\"Samsung TV\",\"command\":[\"Return\"]}",
        "dataType": "json",
        "mergecontext": "",
        "output_location": "payload",
        "output_location_type": "msg",
        "mustacheAltTags": false,
        "x": 750,
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        "wires": [
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        ]
    },
    {
        "id": "78fe396.483dac8",
        "type": "server",
        "name": "Home Assistant",
        "legacy": false,
        "addon": true,
        "rejectUnauthorizedCerts": true,
        "ha_boolean": "y|yes|true|on|home|open",
        "connectionDelay": true,
        "cacheJson": true
    }
]