Catching Code Step Errors
Quick tip for debugging errors in your code steps
To capture an error message after a code step execution, use a try...catch statement to flag that an error is present and pass the message into a variable that can be returned in a text or speak step.
Code Step Catch Error
Sample Project file
{
"_version": "1.2",
"project": {
"_id": "621a46bb12fa84001c7a29bd",
"name": "Code Block // Catch Errors",
"creatorID": 81810,
"teamID": "9YnzG0XEbK",
"image": "https://s3.amazonaws.com/com.getstoryflow.api.images/1592498945123-icons8-error.png",
"platformData": {
"products": {}
},
"members": [],
"devVersion": "621a46bb12fa84001c7a29be",
"privacy": "private",
"platform": "alexa",
"_version": 1.2,
"prototype": {
"nlp": {
"type": "LUIS",
"appID": "4682741d-e3ac-4550-b724-8573739efb9e",
"resourceID": "https://us-0.cognitiveservices.azure.com/"
},
"data": {},
"lastTrainedTime": 1645889240078,
"trainedModel": {
"intents": [
{
"key": "VF.HELP",
"name": "VF.HELP",
"slots": [],
"inputs": [
{
"text": "help"
},
{
"text": "help me"
},
{
"text": "i need help"
},
{
"text": "Help"
}
]
},
{
"key": "VF.NO",
"name": "VF.NO",
"slots": [],
"inputs": [
{
"text": "no"
},
{
"text": "nope"
},
{
"text": "nay"
},
{
"text": "nah"
},
{
"text": "no way"
},
{
"text": "negative"
},
{
"text": "No"
}
]
},
{
"key": "VF.YES",
"name": "VF.YES",
"slots": [],
"inputs": [
{
"text": "yes"
},
{
"text": "yea"
},
{
"text": "ok"
},
{
"text": "okay"
},
{
"text": "yup"
},
{
"text": "ya"
},
{
"text": "sure"
},
{
"text": "Yes"
}
]
},
{
"key": "VF.STOP",
"name": "VF.STOP",
"slots": [],
"inputs": [
{
"text": "stop"
},
{
"text": "Stop"
}
]
}
],
"slots": []
}
},
"createdAt": "2022-02-26T15:26:51.000Z"
},
"version": {
"_id": "621a46bb12fa84001c7a29be",
"projectID": "621a46bb12fa84001c7a29bd",
"creatorID": 81810,
"name": "Code Block // Catch Errors",
"variables": [
"access_token",
"error",
"errorMessage",
"debug"
],
"platformData": {
"publishing": {
"forExport": true,
"hasAds": false,
"summary": "Enter your summary for the skill Code Block Catch Errors",
"invocationName": "Code Block Catch Errors",
"locales": [
"en-US"
],
"category": null,
"personal": false,
"keywords": "",
"smallIcon": "https://s3.amazonaws.com/com.getstoryflow.api.images/1592498948485-icons8-error.png",
"largeIcon": "https://s3.amazonaws.com/com.getstoryflow.api.images/1592498945123-icons8-error.png",
"description": "Enter your description for the skill Code Block Catch Errors",
"invocations": [
"open Code Block Catch Errors",
"start Code Block Catch Errors",
"launch Code Block Catch Errors"
],
"hasPurchase": false,
"forChildren": false,
"instructions": "Sample Instruction",
"privacyPolicy": "https://creator.voiceflow.com/creator/terms?name=Nicolas%20Arcay&skill=Code%20Block%20//%20Catch%20Errors&children=false",
"termsAndConditions": "https://creator.voiceflow.com/creator/terms?name=Nicolas%20Arcay&skill=Code%20Block%20//%20Catch%20Errors&children=false",
"updatesDescription": ""
},
"settings": {
"error": {
"voice": "Alexa",
"content": ""
},
"repeat": "ALL",
"events": null,
"session": {
"type": "restart"
},
"permissions": [],
"accountLinking": null,
"customInterface": false
},
"slots": [],
"intents": [
{
"key": "AMAZON.CancelIntent",
"name": "AMAZON.CancelIntent",
"slots": [],
"inputs": []
},
{
"key": "AMAZON.FallbackIntent",
"name": "AMAZON.FallbackIntent",
"slots": [],
"inputs": []
},
{
"key": "AMAZON.HelpIntent",
"name": "AMAZON.HelpIntent",
"slots": [],
"inputs": []
},
{
"key": "AMAZON.LoopOffIntent",
"name": "AMAZON.LoopOffIntent",
"slots": [],
"inputs": []
},
{
"key": "AMAZON.LoopOnIntent",
"name": "AMAZON.LoopOnIntent",
"slots": [],
"inputs": []
},
{
"key": "AMAZON.MoreIntent",
"name": "AMAZON.MoreIntent",
"slots": [],
"inputs": []
},
{
"key": "AMAZON.NextIntent",
"name": "AMAZON.NextIntent",
"slots": [],
"inputs": []
},
{
"key": "AMAZON.NoIntent",
"name": "AMAZON.NoIntent",
"slots": [],
"inputs": []
},
{
"key": "AMAZON.YesIntent",
"name": "AMAZON.YesIntent",
"slots": [],
"inputs": []
},
{
"key": "AMAZON.StopIntent",
"name": "AMAZON.StopIntent",
"slots": [],
"inputs": []
},
{
"key": "AMAZON.ResumeIntent",
"name": "AMAZON.ResumeIntent",
"slots": [],
"inputs": []
},
{
"key": "AMAZON.RepeatIntent",
"name": "AMAZON.RepeatIntent",
"slots": [],
"inputs": []
},
{
"key": "AMAZON.PreviousIntent",
"name": "AMAZON.PreviousIntent",
"slots": [],
"inputs": []
},
{
"key": "AMAZON.PauseIntent",
"name": "AMAZON.PauseIntent",
"slots": [],
"inputs": []
},
{
"key": "AMAZON.StartOverIntent",
"name": "AMAZON.StartOverIntent",
"slots": [],
"inputs": []
},
{
"key": "AMAZON.ShuffleOnIntent",
"name": "AMAZON.ShuffleOnIntent",
"slots": [],
"inputs": []
},
{
"key": "AMAZON.ShuffleOffIntent",
"name": "AMAZON.ShuffleOffIntent",
"slots": [],
"inputs": []
},
{
"key": "AMAZON.SelectIntent",
"name": "AMAZON.SelectIntent",
"slots": [],
"inputs": []
}
],
"status": {
"stage": "DEV"
}
},
"rootDiagramID": "621a46bb12fa84001c7a29c0",
"prototype": {
"data": {
"name": "Code Block // Catch Errors",
"locales": [
"en-US"
]
},
"model": {
"intents": [
{
"key": "VF.HELP",
"name": "VF.HELP",
"slots": [],
"inputs": [
{
"text": "help"
},
{
"text": "help me"
},
{
"text": "i need help"
},
{
"text": "Help"
}
]
},
{
"key": "VF.NO",
"name": "VF.NO",
"slots": [],
"inputs": [
{
"text": "no"
},
{
"text": "nope"
},
{
"text": "nay"
},
{
"text": "nah"
},
{
"text": "no way"
},
{
"text": "negative"
},
{
"text": "No"
}
]
},
{
"key": "VF.YES",
"name": "VF.YES",
"slots": [],
"inputs": [
{
"text": "yes"
},
{
"text": "yea"
},
{
"text": "ok"
},
{
"text": "okay"
},
{
"text": "yup"
},
{
"text": "ya"
},
{
"text": "sure"
},
{
"text": "Yes"
}
]
},
{
"key": "VF.STOP",
"name": "VF.STOP",
"slots": [],
"inputs": [
{
"text": "stop"
},
{
"text": "Stop"
}
]
}
],
"slots": []
},
"context": {
"stack": [
{
"storage": {},
"variables": {},
"programID": "621a46bb12fa84001c7a29c0"
}
],
"variables": {}
},
"settings": {},
"platform": "alexa"
},
"components": [
{
"sourceID": "621a46bb12fa84001c7a29bf",
"type": "DIAGRAM"
},
{
"sourceID": "621a46bb12fa84001c7a29c1",
"type": "DIAGRAM"
},
{
"sourceID": "621a46bb12fa84001c7a29c2",
"type": "DIAGRAM"
}
],
"topics": [
{
"sourceID": "621a46bb12fa84001c7a29c0",
"type": "DIAGRAM"
}
]
},
"diagrams": {
"621a46bb12fa84001c7a29bf": {
"_id": "621a46bb12fa84001c7a29bf",
"offsetX": 361.81006617692776,
"offsetY": -161.72237149853413,
"zoom": 107.2755839029948,
"modified": 1645889232,
"children": [],
"creatorID": 81810,
"variables": [],
"name": "Stop Flow",
"versionID": "621a46bb12fa84001c7a29be",
"nodes": {
"5f9f58c34b2e0220c2860639": {
"nodeID": "5f9f58c34b2e0220c2860639",
"type": "start",
"coords": [
247.73741727884033,
452.15296437316766
],
"data": {
"name": "Start",
"color": "standard",
"steps": [],
"ports": [
{
"type": "next",
"target": "5f9f58c34b2e0220c286063b",
"id": "621a46cbdd3b2dd06dfd73fe"
}
]
}
},
"5f9f58c34b2e0220c286063a": {
"nodeID": "5f9f58c34b2e0220c286063a",
"type": "block",
"coords": [
660,
453.54871427430436
],
"data": {
"name": "Exit",
"color": "standard",
"steps": [
"5f9f58c34b2e0220c286063b",
"5f9f58c34b2e0220c286063c"
]
}
},
"5f9f58c34b2e0220c286063b": {
"nodeID": "5f9f58c34b2e0220c286063b",
"type": "speak",
"data": {
"randomize": false,
"dialogs": [
{
"voice": "Alexa",
"content": "You said stop. This session is now ending."
}
],
"ports": [
{
"type": "next",
"target": "5f9f58c34b2e0220c286063c",
"id": "621a46cbdd3b2dd06dfd73ff"
}
]
}
},
"5f9f58c34b2e0220c286063c": {
"nodeID": "5f9f58c34b2e0220c286063c",
"type": "exit",
"data": {
"ports": []
}
}
},
"type": "COMPONENT"
},
"621a46bb12fa84001c7a29c0": {
"_id": "621a46bb12fa84001c7a29c0",
"offsetX": 728.6707387742962,
"offsetY": -161.49891649268352,
"zoom": 80,
"modified": 1645889271,
"children": [
"621a46bb12fa84001c7a29bf",
"621a46bb12fa84001c7a29c1",
"621a46bb12fa84001c7a29c2"
],
"creatorID": 81810,
"variables": [],
"name": "ROOT",
"versionID": "621a46bb12fa84001c7a29be",
"nodes": {
"5f9f58c34b2e0220c286063d": {
"nodeID": "5f9f58c34b2e0220c286063d",
"type": "block",
"coords": [
168.36122865790668,
452.25891232677327
],
"data": {
"name": "Code",
"color": "blue",
"steps": [
"5f9f58c34b2e0220c286063e",
"605b7a96d85ee075a9564f3e"
]
}
},
"5f9f58c34b2e0220c286063e": {
"nodeID": "5f9f58c34b2e0220c286063e",
"type": "code",
"data": {
"code": "errorMessage = \"\";\nerror = 0;\n\ntry {\n let debug = \"something\"\n // take = newDate(); // this will throw exception\n let json = JSON.parse('\"age\": 30 }'); // incomplete data\n}\ncatch (e) {\n error = 1;\n errorMessage = e.message;\n}",
"ports": [
{
"type": "next",
"target": "605b7a96d85ee075a9564f3e",
"id": "5fd799d5a7df0d6382da66ca"
},
{
"type": "fail",
"target": "605b7a96d85ee075a9564f3e",
"id": "5fd799d5a7df0d6382da66cb"
}
]
}
},
"5f9f58c34b2e0220c2860644": {
"nodeID": "5f9f58c34b2e0220c2860644",
"type": "start",
"coords": [
-210.83842346787014,
451.8736456158544
],
"data": {
"name": "Start",
"color": "standard",
"steps": [
"5f9f58c34b2e0220c2860645",
"5f9f58c34b2e0220c2860646"
],
"ports": [
{
"type": "next",
"target": "5f9f58c34b2e0220c286063e",
"id": "5fd799d5a7df0d6382da66d0"
}
]
}
},
"5f9f58c34b2e0220c2860645": {
"nodeID": "5f9f58c34b2e0220c2860645",
"type": "command",
"data": {
"name": "Stop",
"next": null,
"ports": [],
"intent": "AMAZON.StopIntent",
"mappings": [],
"diagramID": "621a46bb12fa84001c7a29bf"
}
},
"5f9f58c34b2e0220c2860646": {
"nodeID": "5f9f58c34b2e0220c2860646",
"type": "command",
"data": {
"name": "Help",
"next": null,
"ports": [],
"intent": "AMAZON.HelpIntent",
"mappings": [],
"diagramID": "621a46bb12fa84001c7a29c1"
}
},
"605b7a96d85ee075a9564f3e": {
"nodeID": "605b7a96d85ee075a9564f3e",
"type": "flow",
"data": {
"diagramID": "621a46bb12fa84001c7a29c2",
"variableMap": null,
"ports": [
{
"type": "next",
"target": null,
"id": "605b7a96d85ee075a9564f41"
}
]
}
}
},
"type": "TOPIC"
},
"621a46bb12fa84001c7a29c1": {
"_id": "621a46bb12fa84001c7a29c1",
"offsetX": 272,
"offsetY": 104,
"zoom": 80,
"modified": 1604278467,
"children": [],
"creatorID": 81810,
"variables": [],
"name": "Help Flow",
"versionID": "621a46bb12fa84001c7a29be",
"nodes": {
"5f9f58c34b2e0220c2860649": {
"nodeID": "5f9f58c34b2e0220c2860649",
"type": "start",
"coords": [
360,
120
],
"data": {
"name": "Start",
"color": "standard",
"ports": [
{
"type": "",
"target": "5f9f58c34b2e0220c286064b"
}
],
"steps": []
}
},
"5f9f58c34b2e0220c286064a": {
"nodeID": "5f9f58c34b2e0220c286064a",
"type": "block",
"coords": [
760,
120
],
"data": {
"name": "Help Message",
"color": "standard",
"steps": [
"5f9f58c34b2e0220c286064b",
"5f9f58c34b2e0220c286064c"
]
}
},
"5f9f58c34b2e0220c286064b": {
"nodeID": "5f9f58c34b2e0220c286064b",
"type": "speak",
"data": {
"randomize": false,
"dialogs": [
{
"voice": "Alexa",
"content": "You said help. Do you want to continue?"
}
],
"ports": [
{
"type": "",
"target": "5f9f58c34b2e0220c286064c"
}
]
}
},
"5f9f58c34b2e0220c286064c": {
"nodeID": "5f9f58c34b2e0220c286064c",
"type": "interaction",
"data": {
"name": "Choice",
"else": {
"type": "path",
"randomize": false,
"reprompts": []
},
"choices": [
{
"intent": "AMAZON.YesIntent",
"mappings": []
},
{
"intent": "AMAZON.NoIntent",
"mappings": []
}
],
"reprompt": null,
"ports": [
{
"type": "else",
"target": null
},
{
"type": "",
"target": null
},
{
"type": "",
"target": "5f9f58c34b2e0220c286064e"
}
]
}
},
"5f9f58c34b2e0220c286064d": {
"nodeID": "5f9f58c34b2e0220c286064d",
"type": "block",
"coords": [
1170,
260
],
"data": {
"name": "Exit",
"color": "standard",
"steps": [
"5f9f58c34b2e0220c286064e"
]
}
},
"5f9f58c34b2e0220c286064e": {
"nodeID": "5f9f58c34b2e0220c286064e",
"type": "exit",
"data": {
"ports": []
}
}
}
},
"621a46bb12fa84001c7a29c2": {
"_id": "621a46bb12fa84001c7a29c2",
"offsetX": 272,
"offsetY": 104,
"zoom": 80,
"variables": [],
"children": [],
"versionID": "621a46bb12fa84001c7a29be",
"creatorID": 81810,
"name": "Error Flow",
"modified": 1645889267,
"nodes": {
"605b7a9cd85ee075a9564f45": {
"nodeID": "605b7a9cd85ee075a9564f45",
"type": "start",
"coords": [
360,
120
],
"data": {
"name": "Start",
"color": "standard",
"steps": [],
"ports": [
{
"type": "next",
"target": "605b7aa7d85ee075a9564f6f",
"id": "605b7a9dd85ee075a9564f46"
}
]
}
},
"605b7aa7d85ee075a9564f7c": {
"nodeID": "605b7aa7d85ee075a9564f7c",
"type": "speak",
"data": {
"randomize": false,
"dialogs": [
{
"voice": "Alexa",
"content": "Error: {{[errorMessage].errorMessage}} "
}
],
"ports": [
{
"type": "next",
"target": "605b7ab2d85ee075a9564f94",
"id": "605b7aa7d85ee075a9564f7d"
}
]
}
},
"605b7aa7d85ee075a9564f79": {
"nodeID": "605b7aa7d85ee075a9564f79",
"type": "speak",
"data": {
"randomize": false,
"dialogs": [
{
"voice": "Alexa",
"content": "ok "
}
],
"ports": [
{
"type": "next",
"target": null,
"id": "605b7aa7d85ee075a9564f7a"
}
]
}
},
"605b7aa7d85ee075a9564f75": {
"nodeID": "605b7aa7d85ee075a9564f75",
"type": "ifV2",
"data": {
"expressions": [
{
"type": null,
"value": [
{
"logicInterface": "variable",
"type": "equals",
"value": [
{
"type": "variable",
"value": "error"
},
{
"type": "value",
"value": "0"
}
]
}
]
}
],
"noMatch": {
"type": "path",
"pathName": "No Match"
},
"ports": [
{
"type": "else",
"target": "605b7aa7d85ee075a9564f73",
"id": "605b7aa7d85ee075a9564f76"
},
{
"type": "1",
"target": "605b7aa7d85ee075a9564f79",
"id": "605b7aa7d85ee075a9564f77",
"data": {}
}
]
}
},
"605b7aa7d85ee075a9564f73": {
"nodeID": "605b7aa7d85ee075a9564f73",
"type": "block",
"coords": [
716.5000040979139,
319.77404503245214
],
"data": {
"name": "Error",
"color": "red",
"steps": [
"605b7aa7d85ee075a9564f7c",
"605b7ab2d85ee075a9564f94"
]
}
},
"605b7aa7d85ee075a9564f71": {
"nodeID": "605b7aa7d85ee075a9564f71",
"type": "block",
"coords": [
1097.0265565389077,
121.22594153297163
],
"data": {
"name": "Ok",
"color": "green",
"steps": [
"605b7aa7d85ee075a9564f79"
]
}
},
"605b7aa7d85ee075a9564f6f": {
"nodeID": "605b7aa7d85ee075a9564f6f",
"type": "block",
"coords": [
717.4999959020859,
119.77405846702845
],
"data": {
"name": "Block",
"color": "standard",
"steps": [
"605b7aa7d85ee075a9564f75"
]
}
},
"605b7ab2d85ee075a9564f94": {
"nodeID": "605b7ab2d85ee075a9564f94",
"type": "exit",
"data": {
"ports": []
}
}
},
"type": "COMPONENT"
}
},
"variableStates": []
}
Updated 8 months ago