# lambda-concurrency-check
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Checks if the Lambda function is configured with a function-level concurrent execution limit. The rule is NON\_COMPLIANT if the Lambda function is not configured with a function-level concurrent execution limit. 



**Identifier:** LAMBDA\_CONCURRENCY\_CHECK

**Resource Types:** AWS::Lambda::Function

**Trigger type:** Configuration changes

**Amazon Web Services Region:** All supported Amazon regions except China (Ningxia) Region

**Parameters:**

ConcurrencyLimitHigh (Optional)Type: String  
Maximum concurrency execution limit

ConcurrencyLimitLow (Optional)Type: String  
Minimum concurrency execution limit

## Amazon CloudFormation template
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To create Amazon Config managed rules with Amazon CloudFormation templates, see [Creating Amazon Config Managed Rules With Amazon CloudFormation Templates](aws-config-managed-rules-cloudformation-templates.md).