{
  "id": "error_dat",
  "name": "Error DAT",
  "displayName": "Error DAT",
  "category": "DAT",
  "subcategory": "Utilities",
  "version": "",
  "lastUpdated": "2025-08-07T07:49:59.951Z",
  "sourceFile": "C:\\Program Files\\Derivative\\TouchDesigner\\Samples\\Learn\\OfflineHelp\\https.docs.derivative.ca\\Error_DAT.htm",
  "url": "",
  "description": "The Error DAT lists the most recent TouchDesigner errors in its FIFO (first in/first out) table.",
  "summary": "The Error DAT lists the most recent TouchDesigner errors in its FIFO (first in/first out) table.",
  "details": "",
  "usage": "",
  "tips": [],
  "warnings": [],
  "parameters": [
    {
      "id": null,
      "name": "Active",
      "label": "Active",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
      "style": "",
      "defaultValue": null,
      "minValue": null,
      "maxValue": null,
      "step": null,
      "menuItems": [
        "severity"
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      "menuLabels": [],
      "allowCustom": false,
      "maxLength": null,
      "pattern": null,
      "isArray": false,
      "arraySize": 1,
      "dimensions": 1,
      "description": "Inhibits and allows message to be added to log.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
      "isExpression": false,
      "isPython": false,
      "dependsOn": [],
      "affects": [],
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      "defaultExpression": "",
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      "order": 0,
      "isVisible": true,
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      "isValid": true,
      "validationErrors": [],
      "lastUpdated": "2025-08-07T07:49:59.948Z",
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    {
      "id": null,
      "name": "Severity",
      "label": "Severity",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
      "style": "",
      "defaultValue": null,
      "minValue": null,
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      "menuItems": [],
      "menuLabels": [],
      "allowCustom": false,
      "maxLength": null,
      "pattern": null,
      "isArray": false,
      "arraySize": 1,
      "dimensions": 1,
      "description": "severity - Filter pattern for the output. Can be a combination or one of: message, warning or abort",
      "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": "2025-08-07T07:49:59.950Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Type",
      "label": "Type",
      "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": "type - Filter pattern for the output where the source operator family is specified. Can be a combination or one of the operator families.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
      "isExpression": false,
      "isPython": false,
      "dependsOn": [],
      "affects": [],
      "linkedTo": [],
      "expressionLanguage": "",
      "defaultExpression": "",
      "commonExpressions": [],
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      "isVisible": true,
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      "isValid": true,
      "validationErrors": [],
      "lastUpdated": "2025-08-07T07:49:59.950Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Source",
      "label": "Source",
      "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": "source - Filter pattern for the output where the logging of errors can be limited to specific locations in the project.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
      "isExpression": false,
      "isPython": false,
      "dependsOn": [],
      "affects": [],
      "linkedTo": [],
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      "defaultExpression": "",
      "commonExpressions": [],
      "order": 0,
      "isVisible": true,
      "conditionalDisplay": null,
      "isValid": true,
      "validationErrors": [],
      "lastUpdated": "2025-08-07T07:49:59.950Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Message",
      "label": "Message",
      "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": "message - Filter pattern for the output applied to the error message.",
      "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": "2025-08-07T07:49:59.950Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Log Current Errors",
      "label": "Log Current Errors",
      "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": "logcurrent - Traverse through all nodes and captures all current errors.",
      "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": "2025-08-07T07:49:59.950Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Callbacks DAT",
      "label": "Callbacks 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": "callbacks - The 's script will execute once for each message coming in. See errorDAT_Class for usage.",
      "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": "2025-08-07T07:49:59.950Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Execute from",
      "label": "Execute from",
      "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": "executeloc -  - Determines the location the script is run from.\n\n current - The script is executed from the current node location. 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.",
      "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": "2025-08-07T07:49:59.950Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Current Node",
      "label": "Current Node",
      "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": "current - The script is executed from the current node location. 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.",
      "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": "2025-08-07T07:49:59.950Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "From Operator",
      "label": "From Operator",
      "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": "fromop - The path that the script will be executed from if the  parameter is set to .",
      "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": "2025-08-07T07:49:59.950Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Clamp Output",
      "label": "Clamp Output",
      "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": "clamp - The  is limited to 100 messages by default but with Clamp Output, this can be set to anything including unlimited.",
      "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": "2025-08-07T07:49:59.950Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Maximum Lines",
      "label": "Maximum Lines",
      "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": "maxlines - Limits the number of messages, older messages are removed from the list first.",
      "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": "2025-08-07T07:49:59.950Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Clear Output",
      "label": "Clear Output",
      "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": "clear - Deletes all lines except the heading.",
      "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": "2025-08-07T07:49:59.950Z",
      "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": "2025-08-07T07:49:59.950Z",
      "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": "2025-08-07T07:49:59.950Z",
      "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": "2025-08-07T07:49:59.950Z",
      "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": "2025-08-07T07:49:59.951Z",
      "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": "2025-08-07T07:49:59.951Z",
      "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,
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