

# StartDetectorModelAnalysis
<a name="API_StartDetectorModelAnalysis"></a>

**Important**  
End of support notice: On May 20,2026, AWS will end support for AWS IoT Events. After May 20,2026, you will no longer be able to access the AWS IoT Events console or AWS IoT Events resources. For more information, see [AWS IoT Events end of support](https://docs.aws.amazon.com/iotevents/latest/developerguide/iotevents-end-of-support.html). 

Analyzes your detector model. For more information, see [Troubleshooting a detector model](https://docs.aws.amazon.com/iotevents/latest/developerguide/iotevents-analyze-api.html) in the * AWS IoT Events Developer Guide*.

## Request Syntax
<a name="API_StartDetectorModelAnalysis_RequestSyntax"></a>

```
POST /analysis/detector-models/ HTTP/1.1
Content-type: application/json

{
   "detectorModelDefinition": { 
      "initialStateName": "string",
      "states": [ 
         { 
            "onEnter": { 
               "events": [ 
                  { 
                     "actions": [ 
                        { 
                           "clearTimer": { 
                              "timerName": "string"
                           },
                           "dynamoDB": { 
                              "hashKeyField": "string",
                              "hashKeyType": "string",
                              "hashKeyValue": "string",
                              "operation": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "payloadField": "string",
                              "rangeKeyField": "string",
                              "rangeKeyType": "string",
                              "rangeKeyValue": "string",
                              "tableName": "string"
                           },
                           "dynamoDBv2": { 
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "tableName": "string"
                           },
                           "firehose": { 
                              "deliveryStreamName": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "separator": "string"
                           },
                           "iotEvents": { 
                              "inputName": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              }
                           },
                           "iotSiteWise": { 
                              "assetId": "string",
                              "entryId": "string",
                              "propertyAlias": "string",
                              "propertyId": "string",
                              "propertyValue": { 
                                 "quality": "string",
                                 "timestamp": { 
                                    "offsetInNanos": "string",
                                    "timeInSeconds": "string"
                                 },
                                 "value": { 
                                    "booleanValue": "string",
                                    "doubleValue": "string",
                                    "integerValue": "string",
                                    "stringValue": "string"
                                 }
                              }
                           },
                           "iotTopicPublish": { 
                              "mqttTopic": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              }
                           },
                           "lambda": { 
                              "functionArn": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              }
                           },
                           "resetTimer": { 
                              "timerName": "string"
                           },
                           "setTimer": { 
                              "durationExpression": "string",
                              "seconds": number,
                              "timerName": "string"
                           },
                           "setVariable": { 
                              "value": "string",
                              "variableName": "string"
                           },
                           "sns": { 
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "targetArn": "string"
                           },
                           "sqs": { 
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "queueUrl": "string",
                              "useBase64": boolean
                           }
                        }
                     ],
                     "condition": "string",
                     "eventName": "string"
                  }
               ]
            },
            "onExit": { 
               "events": [ 
                  { 
                     "actions": [ 
                        { 
                           "clearTimer": { 
                              "timerName": "string"
                           },
                           "dynamoDB": { 
                              "hashKeyField": "string",
                              "hashKeyType": "string",
                              "hashKeyValue": "string",
                              "operation": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "payloadField": "string",
                              "rangeKeyField": "string",
                              "rangeKeyType": "string",
                              "rangeKeyValue": "string",
                              "tableName": "string"
                           },
                           "dynamoDBv2": { 
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "tableName": "string"
                           },
                           "firehose": { 
                              "deliveryStreamName": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "separator": "string"
                           },
                           "iotEvents": { 
                              "inputName": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              }
                           },
                           "iotSiteWise": { 
                              "assetId": "string",
                              "entryId": "string",
                              "propertyAlias": "string",
                              "propertyId": "string",
                              "propertyValue": { 
                                 "quality": "string",
                                 "timestamp": { 
                                    "offsetInNanos": "string",
                                    "timeInSeconds": "string"
                                 },
                                 "value": { 
                                    "booleanValue": "string",
                                    "doubleValue": "string",
                                    "integerValue": "string",
                                    "stringValue": "string"
                                 }
                              }
                           },
                           "iotTopicPublish": { 
                              "mqttTopic": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              }
                           },
                           "lambda": { 
                              "functionArn": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              }
                           },
                           "resetTimer": { 
                              "timerName": "string"
                           },
                           "setTimer": { 
                              "durationExpression": "string",
                              "seconds": number,
                              "timerName": "string"
                           },
                           "setVariable": { 
                              "value": "string",
                              "variableName": "string"
                           },
                           "sns": { 
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "targetArn": "string"
                           },
                           "sqs": { 
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "queueUrl": "string",
                              "useBase64": boolean
                           }
                        }
                     ],
                     "condition": "string",
                     "eventName": "string"
                  }
               ]
            },
            "onInput": { 
               "events": [ 
                  { 
                     "actions": [ 
                        { 
                           "clearTimer": { 
                              "timerName": "string"
                           },
                           "dynamoDB": { 
                              "hashKeyField": "string",
                              "hashKeyType": "string",
                              "hashKeyValue": "string",
                              "operation": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "payloadField": "string",
                              "rangeKeyField": "string",
                              "rangeKeyType": "string",
                              "rangeKeyValue": "string",
                              "tableName": "string"
                           },
                           "dynamoDBv2": { 
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "tableName": "string"
                           },
                           "firehose": { 
                              "deliveryStreamName": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "separator": "string"
                           },
                           "iotEvents": { 
                              "inputName": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              }
                           },
                           "iotSiteWise": { 
                              "assetId": "string",
                              "entryId": "string",
                              "propertyAlias": "string",
                              "propertyId": "string",
                              "propertyValue": { 
                                 "quality": "string",
                                 "timestamp": { 
                                    "offsetInNanos": "string",
                                    "timeInSeconds": "string"
                                 },
                                 "value": { 
                                    "booleanValue": "string",
                                    "doubleValue": "string",
                                    "integerValue": "string",
                                    "stringValue": "string"
                                 }
                              }
                           },
                           "iotTopicPublish": { 
                              "mqttTopic": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              }
                           },
                           "lambda": { 
                              "functionArn": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              }
                           },
                           "resetTimer": { 
                              "timerName": "string"
                           },
                           "setTimer": { 
                              "durationExpression": "string",
                              "seconds": number,
                              "timerName": "string"
                           },
                           "setVariable": { 
                              "value": "string",
                              "variableName": "string"
                           },
                           "sns": { 
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "targetArn": "string"
                           },
                           "sqs": { 
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "queueUrl": "string",
                              "useBase64": boolean
                           }
                        }
                     ],
                     "condition": "string",
                     "eventName": "string"
                  }
               ],
               "transitionEvents": [ 
                  { 
                     "actions": [ 
                        { 
                           "clearTimer": { 
                              "timerName": "string"
                           },
                           "dynamoDB": { 
                              "hashKeyField": "string",
                              "hashKeyType": "string",
                              "hashKeyValue": "string",
                              "operation": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "payloadField": "string",
                              "rangeKeyField": "string",
                              "rangeKeyType": "string",
                              "rangeKeyValue": "string",
                              "tableName": "string"
                           },
                           "dynamoDBv2": { 
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "tableName": "string"
                           },
                           "firehose": { 
                              "deliveryStreamName": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "separator": "string"
                           },
                           "iotEvents": { 
                              "inputName": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              }
                           },
                           "iotSiteWise": { 
                              "assetId": "string",
                              "entryId": "string",
                              "propertyAlias": "string",
                              "propertyId": "string",
                              "propertyValue": { 
                                 "quality": "string",
                                 "timestamp": { 
                                    "offsetInNanos": "string",
                                    "timeInSeconds": "string"
                                 },
                                 "value": { 
                                    "booleanValue": "string",
                                    "doubleValue": "string",
                                    "integerValue": "string",
                                    "stringValue": "string"
                                 }
                              }
                           },
                           "iotTopicPublish": { 
                              "mqttTopic": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              }
                           },
                           "lambda": { 
                              "functionArn": "string",
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              }
                           },
                           "resetTimer": { 
                              "timerName": "string"
                           },
                           "setTimer": { 
                              "durationExpression": "string",
                              "seconds": number,
                              "timerName": "string"
                           },
                           "setVariable": { 
                              "value": "string",
                              "variableName": "string"
                           },
                           "sns": { 
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "targetArn": "string"
                           },
                           "sqs": { 
                              "payload": { 
                                 "contentExpression": "string",
                                 "type": "string"
                              },
                              "queueUrl": "string",
                              "useBase64": boolean
                           }
                        }
                     ],
                     "condition": "string",
                     "eventName": "string",
                     "nextState": "string"
                  }
               ]
            },
            "stateName": "string"
         }
      ]
   }
}
```

## URI Request Parameters
<a name="API_StartDetectorModelAnalysis_RequestParameters"></a>

The request does not use any URI parameters.

## Request Body
<a name="API_StartDetectorModelAnalysis_RequestBody"></a>

The request accepts the following data in JSON format.

 ** [detectorModelDefinition](#API_StartDetectorModelAnalysis_RequestSyntax) **   <a name="iotevents-StartDetectorModelAnalysis-request-detectorModelDefinition"></a>
Information that defines how a detector operates.  
Type: [DetectorModelDefinition](API_DetectorModelDefinition.md) object  
Required: Yes

## Response Syntax
<a name="API_StartDetectorModelAnalysis_ResponseSyntax"></a>

```
HTTP/1.1 200
Content-type: application/json

{
   "analysisId": "string"
}
```

## Response Elements
<a name="API_StartDetectorModelAnalysis_ResponseElements"></a>

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

 ** [analysisId](#API_StartDetectorModelAnalysis_ResponseSyntax) **   <a name="iotevents-StartDetectorModelAnalysis-response-analysisId"></a>
The ID that you use to retrieve the analysis result.  
Type: String

## Errors
<a name="API_StartDetectorModelAnalysis_Errors"></a>

For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

 ** InternalFailureException **   
An internal failure occurred.    
 ** message **   
The message for the exception.
HTTP Status Code: 500

 ** InvalidRequestException **   
The request was invalid.    
 ** message **   
The message for the exception.
HTTP Status Code: 400

 ** LimitExceededException **   
A limit was exceeded.    
 ** message **   
The message for the exception.
HTTP Status Code: 410

 ** ServiceUnavailableException **   
The service is currently unavailable.    
 ** message **   
The message for the exception.
HTTP Status Code: 503

 ** ThrottlingException **   
The request could not be completed due to throttling.    
 ** message **   
The message for the exception.
HTTP Status Code: 429

## See Also
<a name="API_StartDetectorModelAnalysis_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/iotevents-2018-07-27/StartDetectorModelAnalysis) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/iotevents-2018-07-27/StartDetectorModelAnalysis) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/iotevents-2018-07-27/StartDetectorModelAnalysis) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/iotevents-2018-07-27/StartDetectorModelAnalysis) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/iotevents-2018-07-27/StartDetectorModelAnalysis) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/iotevents-2018-07-27/StartDetectorModelAnalysis) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/iotevents-2018-07-27/StartDetectorModelAnalysis) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/iotevents-2018-07-27/StartDetectorModelAnalysis) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/iotevents-2018-07-27/StartDetectorModelAnalysis) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/iotevents-2018-07-27/StartDetectorModelAnalysis) 