# 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\$1COMPLIANT if the Lambda function is not configured with a function-level concurrent execution limit. 



**Identifier:** LAMBDA\$1CONCURRENCY\$1CHECK

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

**Trigger type:** Configuration changes

**AWS Region:** All supported AWS regions except China (Ningxia) Region

**Parameters:**

ConcurrencyLimitHigh (Optional)Type: String  
Maximum concurrency execution limit

ConcurrencyLimitLow (Optional)Type: String  
Minimum concurrency execution limit

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