# VpcConfig
<a name="sam-property-capacityprovider-vpcconfig"></a>

Configures the VPC settings for a capacity provider, including the subnets and security groups where EC2 instances will be launched.

## Syntax
<a name="sam-property-capacityprovider-vpcconfig-syntax"></a>

To declare this entity in your AWS Serverless Application Model (AWS SAM) template, use the following syntax.

### YAML
<a name="sam-property-capacityprovider-vpcconfig-syntax.yaml"></a>

```
[SubnetIds](#sam-capacityprovider-vpcconfig-subnetids): List
[SecurityGroupIds](#sam-capacityprovider-vpcconfig-securitygroupids): List
```

## Properties
<a name="sam-property-capacityprovider-vpcconfig-properties"></a>

 `SubnetIds`   <a name="sam-capacityprovider-vpcconfig-subnetids"></a>
A list of subnet IDs where EC2 instances will be launched. At least one subnet must be specified.  
*Type*: List  
*Required*: Yes  
*CloudFormation compatibility*: This property is passed directly to the `[SubnetIds](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-lambda-capacityprovider-capacityprovidervpcconfig.html#cfn-lambda-capacityprovider-capacityprovidervpcconfig-subnetids)` property of `[VpcConfig](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-lambda-capacityprovider.html#cfn-lambda-capacityprovider-vpcconfig) ` of an `AWS::Lambda::CapacityProvider` resource. 

 `SecurityGroupIds`   <a name="sam-capacityprovider-vpcconfig-securitygroupids"></a>
A list of security group IDs to associate with the EC2 instances. If not specified, the default security group for the VPC will be used.  
*Type*: List  
*Required*: No  
*CloudFormation compatibility*: This property is passed directly to the `[SecurityGroupIds](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-lambda-capacityprovider-capacityprovidervpcconfig.html#cfn-lambda-capacityprovider-capacityprovidervpcconfig-securitygroupids)` property of `[VpcConfig](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-lambda-capacityprovider.html#cfn-lambda-capacityprovider-vpcconfig)` property of an `AWS::Lambda::CapacityProvider` resource. 

## Examples
<a name="sam-property-capacityprovider-vpcconfig-examples"></a>

### VPC configuration
<a name="sam-property-capacityprovider-vpcconfig-examples-basic"></a>

The following example shows a VPC configuration with multiple subnets and security groups.

```
VpcConfig:
  SubnetIds:
    - subnet-12345678
    - subnet-87654321
  SecurityGroupIds:
    - sg-12345678
    - sg-87654321
```