# StartResourceScan
<a name="API_StartResourceScan"></a>

Starts a scan of the resources in this account in this Region. You can the status of a scan using the `ListResourceScans` API action.

## Request Parameters
<a name="API_StartResourceScan_RequestParameters"></a>

 For information about the parameters that are common to all actions, see [Common Parameters](CommonParameters.md).

 ** ClientRequestToken **   
A unique identifier for this `StartResourceScan` request. Specify this token if you plan to retry requests so that CloudFormation knows that you're not attempting to start a new resource scan.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `[a-zA-Z0-9][-a-zA-Z0-9]*`   
Required: No

 **ScanFilters.member.N**   
The scan filters to use.  
Type: Array of [ScanFilter](API_ScanFilter.md) objects  
Array Members: Fixed number of 1 item.  
Required: No

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

The following element is returned by the service.

 ** ResourceScanId **   
The Amazon Resource Name (ARN) of the resource scan. The format is `arn:${Partition}:cloudformation:${Region}:${Account}:resourceScan/${Id}`. An example is `arn:aws:cloudformation:us-east-1:123456789012:resourceScan/f5b490f7-7ed4-428a-aa06-31ff25db0772 `.  
Type: String

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

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

 ** ResourceScanInProgress **   
A resource scan is currently in progress. Only one can be run at a time for an account in a Region.  
HTTP Status Code: 400

 ** ResourceScanLimitExceeded **   
The limit on resource scans has been exceeded. Reasons include:  
+ Exceeded the daily quota for resource scans.
+ A resource scan recently failed. You must wait 10 minutes before starting a new resource scan.
+ The last resource scan failed after exceeding 100,000 resources. When this happens, you must wait 24 hours before starting a new resource scan.
HTTP Status Code: 400

## See Also
<a name="API_StartResourceScan_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/cloudformation-2010-05-15/StartResourceScan) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/cloudformation-2010-05-15/StartResourceScan) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/cloudformation-2010-05-15/StartResourceScan) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/cloudformation-2010-05-15/StartResourceScan) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/cloudformation-2010-05-15/StartResourceScan) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/cloudformation-2010-05-15/StartResourceScan) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/cloudformation-2010-05-15/StartResourceScan) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/cloudformation-2010-05-15/StartResourceScan) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/cloudformation-2010-05-15/StartResourceScan) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/cloudformation-2010-05-15/StartResourceScan)