{
  "id": "mqtt_client_dat",
  "name": "MQTT Client DAT",
  "displayName": "MQTT Client DAT",
  "category": "DAT",
  "subcategory": "Utilities",
  "version": "",
  "lastUpdated": "2025-08-07T07:50:04.463Z",
  "sourceFile": "C:\\Program Files\\Derivative\\TouchDesigner\\Samples\\Learn\\OfflineHelp\\https.docs.derivative.ca\\MQTT_Client_DAT.htm",
  "url": "",
  "description": "The MQTT Client DAT receives and sends data from/to MQTT devices via MQTT servers (broker). TouchDesigner can act as a client and another computer needs to act as a MQTT Server.  Once a client establishes a connection with a server, it can do two things:",
  "summary": "The MQTT Client DAT receives and sends data from/to MQTT devices via MQTT servers (broker). TouchDesigner can act as a client and another computer needs to act as a MQTT Server.  Once a client establi",
  "details": "",
  "usage": "",
  "tips": [],
  "warnings": [],
  "parameters": [
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      "id": null,
      "name": "Active",
      "label": "Active",
      "group": "General",
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      "description": "Enable the connection.",
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      "id": null,
      "name": "Network Address",
      "label": "Network Address",
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      "description": "netaddress - The address of the broker to connect to. The address should take the form :// : . Accepted protocol URIs can include tcp, ssl, ws, and wss.",
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      "id": null,
      "name": "Specify ID",
      "label": "Specify ID",
      "group": "General",
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      "description": "specifyid - Allows naming the client with parameter User Client ID, otherwise automatically and uniquely generated for each connection.",
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      "name": "User Client ID",
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      "description": "usercid - Client name when Specify ID enabled.",
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      "name": "Keep Alive Interval",
      "label": "Keep Alive Interval",
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      "type": "float",
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      "description": "keepalive - Specifies in seconds, the maximum time to expect without communication. If no data is sent during this time, a lightweight ping message is sent to the server instead. Can be set to 0 to avoid pings.",
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      "name": "Max in Flight",
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      "description": "maxinflight - Controls how many messages can be in-flight simultaneously.",
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      "id": null,
      "name": "Clean Session",
      "label": "Clean Session",
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      "description": "cleansession - If Specify ID is selected, the server will preserve any state information associated with the connection of that ID, such as subscriptions, delivery attempts, etc.",
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      "id": null,
      "name": "Verify Certificate",
      "label": "Verify Certificate",
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      "description": "verifycert - Enables TLS (transport layer security) certificate verification against the server (ie. broker).",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
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    {
      "id": null,
      "name": "Username",
      "label": "Username",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
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      "description": "username - Specify the username for authentication if the server requires it. MQTT servers that support the MQTT v3.1 protocol provide authentication and authorization via username and password.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
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    {
      "id": null,
      "name": "Password",
      "label": "Password",
      "group": "General",
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      "type": "float",
      "dataType": "number",
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      "allowCustom": false,
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      "arraySize": 1,
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      "description": "password - Specify the password for authentication if the server requires it. MQTT servers that support the MQTT v3.1 protocol provide authentication and authorization via username and password.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
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      "order": 0,
      "isVisible": true,
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      "isValid": true,
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      "lastUpdated": "2025-08-07T07:50:04.462Z",
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    },
    {
      "id": null,
      "name": "Reconnect",
      "label": "Reconnect",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
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      "minValue": null,
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      "description": "reconnect - Will attempt to reconnect to the MQTT broker.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
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      "id": null,
      "name": "Callbacks DAT",
      "label": "Callbacks DAT",
      "group": "General",
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      "type": "float",
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      "description": "callbacks - The Callbacks  contains functions that are called when connections are made, lost or published data arrives. See mqttclientDAT_Class for usage.",
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      "id": null,
      "name": "Execute from",
      "label": "Execute from",
      "group": "General",
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      "description": "executeloc -  - Determines the location the script is run from.\n\n current - The script is executed from the current node location (for example, where 'cc' points to). callbacks - The script is executed from the location of the  specified in the  parameter. op - The script is executed from the operator specified in the  parameter below.",
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    {
      "id": null,
      "name": "Current Node",
      "label": "Current Node",
      "group": "General",
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      "description": "current - The script is executed from the current node location (for example, where 'cc' points to). callbacks - The script is executed from the location of the  specified in the  parameter. op - The script is executed from the operator specified in the  parameter below.",
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      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
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      "isAnimatable": true,
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      "name": "From Operator",
      "label": "From Operator",
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      "description": "fromop - The operator whose state change will trigger the  to execute its script when  is set to . This operator is also the path that the script will be executed from if the  parameter is set to .",
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      "id": null,
      "name": "Clamp Output",
      "label": "Clamp Output",
      "group": "General",
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      "type": "float",
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      "description": "clamp - The  is limited to 100 messages by default but with Clamp Output, this can be set to anything including unlimited.",
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    {
      "id": null,
      "name": "Maximum Lines",
      "label": "Maximum Lines",
      "group": "General",
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      "description": "maxlines - Limits the number of messages, older messages are removed from the list first.",
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      "name": "Clear Output",
      "label": "Clear Output",
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      "description": "clear - Deletes all lines except the heading. To clear with a python script op(\"opname\").par.clear.pulse()",
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      "order": 0,
      "isVisible": true,
      "conditionalDisplay": null,
      "isValid": true,
      "validationErrors": [],
      "lastUpdated": "2025-08-07T07:50:04.462Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Bytes Column",
      "label": "Bytes Column",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
      "style": "",
      "defaultValue": null,
      "minValue": null,
      "maxValue": null,
      "step": null,
      "menuItems": [],
      "menuLabels": [],
      "allowCustom": false,
      "maxLength": null,
      "pattern": null,
      "isArray": false,
      "arraySize": 1,
      "dimensions": 1,
      "description": "bytes - Outputs the raw bytes of the message in a separate column.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
      "isExpression": false,
      "isPython": false,
      "dependsOn": [],
      "affects": [],
      "linkedTo": [],
      "expressionLanguage": "",
      "defaultExpression": "",
      "commonExpressions": [],
      "order": 0,
      "isVisible": true,
      "conditionalDisplay": null,
      "isValid": true,
      "validationErrors": [],
      "lastUpdated": "2025-08-07T07:50:04.462Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Language",
      "label": "Language",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
      "style": "",
      "defaultValue": null,
      "minValue": null,
      "maxValue": null,
      "step": null,
      "menuItems": [],
      "menuLabels": [],
      "allowCustom": false,
      "maxLength": null,
      "pattern": null,
      "isArray": false,
      "arraySize": 1,
      "dimensions": 1,
      "description": "language -  - Select how the  decides which script language to operate on.\n\n input - The  uses the inputs script language. node - The  uses it's own script language.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
      "isExpression": false,
      "isPython": false,
      "dependsOn": [],
      "affects": [],
      "linkedTo": [],
      "expressionLanguage": "",
      "defaultExpression": "",
      "commonExpressions": [],
      "order": 0,
      "isVisible": true,
      "conditionalDisplay": null,
      "isValid": true,
      "validationErrors": [],
      "lastUpdated": "2025-08-07T07:50:04.462Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Input",
      "label": "Input",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
      "style": "",
      "defaultValue": null,
      "minValue": null,
      "maxValue": null,
      "step": null,
      "menuItems": [],
      "menuLabels": [],
      "allowCustom": false,
      "maxLength": null,
      "pattern": null,
      "isArray": false,
      "arraySize": 1,
      "dimensions": 1,
      "description": "input - The  uses the inputs script language. node - The  uses it's own script language.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
      "isExpression": false,
      "isPython": false,
      "dependsOn": [],
      "affects": [],
      "linkedTo": [],
      "expressionLanguage": "",
      "defaultExpression": "",
      "commonExpressions": [],
      "order": 0,
      "isVisible": true,
      "conditionalDisplay": null,
      "isValid": true,
      "validationErrors": [],
      "lastUpdated": "2025-08-07T07:50:04.462Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Edit/View Extension",
      "label": "Edit/View Extension",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
      "style": "",
      "defaultValue": null,
      "minValue": null,
      "maxValue": null,
      "step": null,
      "menuItems": [],
      "menuLabels": [],
      "allowCustom": false,
      "maxLength": null,
      "pattern": null,
      "isArray": false,
      "arraySize": 1,
      "dimensions": 1,
      "description": "extension -  - Select the file extension this  should expose to external editors.\n\n dat - various common file extensions. language - pick extension from DATs script language. custom - Specify a custom extension.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
      "isExpression": false,
      "isPython": false,
      "dependsOn": [],
      "affects": [],
      "linkedTo": [],
      "expressionLanguage": "",
      "defaultExpression": "",
      "commonExpressions": [],
      "order": 0,
      "isVisible": true,
      "conditionalDisplay": null,
      "isValid": true,
      "validationErrors": [],
      "lastUpdated": "2025-08-07T07:50:04.462Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "dat",
      "label": "dat",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
      "style": "",
      "defaultValue": null,
      "minValue": null,
      "maxValue": null,
      "step": null,
      "menuItems": [],
      "menuLabels": [],
      "allowCustom": false,
      "maxLength": null,
      "pattern": null,
      "isArray": false,
      "arraySize": 1,
      "dimensions": 1,
      "description": "dat - various common file extensions. language - pick extension from DATs script language. custom - Specify a custom extension.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
      "isExpression": false,
      "isPython": false,
      "dependsOn": [],
      "affects": [],
      "linkedTo": [],
      "expressionLanguage": "",
      "defaultExpression": "",
      "commonExpressions": [],
      "order": 0,
      "isVisible": true,
      "conditionalDisplay": null,
      "isValid": true,
      "validationErrors": [],
      "lastUpdated": "2025-08-07T07:50:04.462Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Custom Extension",
      "label": "Custom Extension",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
      "style": "",
      "defaultValue": null,
      "minValue": null,
      "maxValue": null,
      "step": null,
      "menuItems": [],
      "menuLabels": [],
      "allowCustom": false,
      "maxLength": null,
      "pattern": null,
      "isArray": false,
      "arraySize": 1,
      "dimensions": 1,
      "description": "customext - Specifiy the custom extension.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
      "isExpression": false,
      "isPython": false,
      "dependsOn": [],
      "affects": [],
      "linkedTo": [],
      "expressionLanguage": "",
      "defaultExpression": "",
      "commonExpressions": [],
      "order": 0,
      "isVisible": true,
      "conditionalDisplay": null,
      "isValid": true,
      "validationErrors": [],
      "lastUpdated": "2025-08-07T07:50:04.462Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Word Wrap",
      "label": "Word Wrap",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
      "style": "",
      "defaultValue": null,
      "minValue": null,
      "maxValue": null,
      "step": null,
      "menuItems": [],
      "menuLabels": [],
      "allowCustom": false,
      "maxLength": null,
      "pattern": null,
      "isArray": false,
      "arraySize": 1,
      "dimensions": 1,
      "description": "wordwrap -  - Enable Word Wrap for Node Display.\n\n input - The  uses the inputs setting. on - Turn on Word Wrap. off - Turn off Word Wrap.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
      "isExpression": false,
      "isPython": false,
      "dependsOn": [],
      "affects": [],
      "linkedTo": [],
      "expressionLanguage": "",
      "defaultExpression": "",
      "commonExpressions": [],
      "order": 0,
      "isVisible": true,
      "conditionalDisplay": null,
      "isValid": true,
      "validationErrors": [],
      "lastUpdated": "2025-08-07T07:50:04.463Z",
      "rawData": {},
      "sourceElement": null
    }
  ],
  "parameterGroups": {},
  "codeExamples": [],
  "pythonExamples": [],
  "expressions": [],
  "commonInputs": [],
  "commonOutputs": [],
  "relatedOperators": [],
  "workflowPatterns": [],
  "images": [],
  "videos": [],
  "assets": [],
  "keywords": [
    "mqtt",
    "client",
    "dat",
    "receives",
    "sends",
    "data",
    "from/to",
    "devices",
    "servers"
  ],
  "tags": [
    "DAT",
    "TouchDesigner",
    "MQTT Client DAT"
  ],
  "searchWeight": 1,
  "contentHash": "",
  "processingDate": "2025-08-07T07:50:04.463Z",
  "processingVersion": "1.0.0",
  "isValid": true,
  "validationErrors": []
}