# CloudFormation resources generated when AWS::Serverless::LayerVersion is specified
<a name="sam-specification-generated-resources-layerversion"></a>

When an `AWS::Serverless::LayerVersion` is specified, AWS Serverless Application Model (AWS SAM) generates an `AWS::Lambda::LayerVersion` base CloudFormation resource.

**`AWS::Lambda::LayerVersion`**  
*`LogicalId`: *`<layerversion‑LogicalId>`   
*Referenceable property: *N/A (you must use the `LogicalId` to reference this CloudFormation resource)