# InstanceRequirementsProperty

Specifications that define the characteristics and constraints for compute instances used by the capacity provider.

- Source: Generated code
- Type last changed: v2.231.0 · 1 Dec 2025

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import { aws_lambda as lambda } from 'aws-cdk-lib';
const instanceRequirementsProperty: lambda.CfnCapacityProvider.InstanceRequirementsProperty = {
  allowedInstanceTypes: ['allowedInstanceTypes'],
  architectures: ['architectures'],
  excludedInstanceTypes: ['excludedInstanceTypes'],
};
```

## Properties

- `allowedInstanceTypes`: string[] — A list of EC2 instance types that the capacity provider is allowed to use.

  If not specified, all compatible instance types are allowed.

- `architectures`: string[] — A list of supported CPU architectures for compute instances.

  Valid values include `x86_64` and `arm64` .

- `excludedInstanceTypes`: string[] — A list of EC2 instance types that the capacity provider should not use, even if they meet other requirements.