# ListContractualInvestmentSummaries
<a name="API_billing_ListContractualInvestmentSummaries"></a>

Lists the investment summaries within a specific private pricing contract. This operation is read-only and paginated.

## Request Syntax
<a name="API_billing_ListContractualInvestmentSummaries_RequestSyntax"></a>

```
{
   "contractArn": "{{string}}",
   "maxResults": {{number}},
   "nextToken": "{{string}}"
}
```

## Request Parameters
<a name="API_billing_ListContractualInvestmentSummaries_RequestParameters"></a>

For information about the parameters that are common to all actions, see [Common Parameters](CommonParameters.md).

The request accepts the following data in JSON format.

 ** [contractArn](#API_billing_ListContractualInvestmentSummaries_RequestSyntax) **   <a name="awscostmanagement-billing_ListContractualInvestmentSummaries-request-contractArn"></a>
The Amazon Resource Name (ARN) of the contract whose investment summaries you want to list.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 500.  
Pattern: `arn:aws[a-z-]*:billing::[0-9]{12}:contract/[a-zA-Z0-9_\+=\.\@-]{0,70}[a-zA-Z0-9]`   
Required: Yes

 ** [maxResults](#API_billing_ListContractualInvestmentSummaries_RequestSyntax) **   <a name="awscostmanagement-billing_ListContractualInvestmentSummaries-request-maxResults"></a>
The maximum number of investment summaries to return in a single call. Minimum value of 1, maximum value of 100.  
Type: Integer  
Valid Range: Minimum value of 1. Maximum value of 100.  
Required: No

 ** [nextToken](#API_billing_ListContractualInvestmentSummaries_RequestSyntax) **   <a name="awscostmanagement-billing_ListContractualInvestmentSummaries-request-nextToken"></a>
The pagination token that indicates the next set of results to retrieve.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 4095.  
Pattern: `[-a-zA-Z0-9+=/_]+`   
Required: No

## Response Syntax
<a name="API_billing_ListContractualInvestmentSummaries_ResponseSyntax"></a>

```
{
   "items": [ 
      { 
         "investmentName": "string",
         "investmentSummaryId": "string",
         "investmentType": "string",
         "maxAllowedInvestmentDisbursementValue": { 
            "currencyAmount": "string",
            "currencyCode": "string"
         }
      }
   ],
   "nextToken": "string"
}
```

## Response Elements
<a name="API_billing_ListContractualInvestmentSummaries_ResponseElements"></a>

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

 ** [items](#API_billing_ListContractualInvestmentSummaries_ResponseSyntax) **   <a name="awscostmanagement-billing_ListContractualInvestmentSummaries-response-items"></a>
The list of investment summaries under the contract. It includes the investment name, maximum investment amount, and investment type. It does not provide investment details. Use this to know if the contract has investment terms and what type.  
Type: Array of [InvestmentSummary](API_billing_InvestmentSummary.md) objects

 ** [nextToken](#API_billing_ListContractualInvestmentSummaries_ResponseSyntax) **   <a name="awscostmanagement-billing_ListContractualInvestmentSummaries-response-nextToken"></a>
The pagination token to use on subsequent calls to retrieve the next set of results.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 4095.  
Pattern: `[-a-zA-Z0-9+=/_]+` 

## Errors
<a name="API_billing_ListContractualInvestmentSummaries_Errors"></a>

For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

 ** AccessDeniedException **   
You don't have sufficient access to perform this action.  
HTTP Status Code: 400

 ** InternalServerException **   
The request processing failed because of an unknown error, exception, or failure.   
HTTP Status Code: 500

 ** ResourceNotFoundException **   
 The specified ARN in the request doesn't exist.     
 ** resourceId **   
 Value is a list of resource IDs that were not found.   
 ** resourceType **   
 Value is the type of resource that was not found. 
HTTP Status Code: 400

 ** ThrottlingException **   
The request was denied due to request throttling.   
HTTP Status Code: 400

 ** ValidationException **   
The input fails to satisfy the constraints specified by an Amazon Web Services service.     
 ** fieldList **   
The input fails to satisfy the constraints specified by an Amazon service.  
 ** reason **   
The input fails to satisfy the constraints specified by an Amazon service.
HTTP Status Code: 400

## See Also
<a name="API_billing_ListContractualInvestmentSummaries_SeeAlso"></a>

For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon Command Line Interface V2](https://docs.amazonaws.cn/goto/cli2/billing-2023-09-07/ListContractualInvestmentSummaries) 
+  [Amazon SDK for .NET V4](https://docs.amazonaws.cn/goto/DotNetSDKV4/billing-2023-09-07/ListContractualInvestmentSummaries) 
+  [Amazon SDK for C\+\+](https://docs.amazonaws.cn/goto/SdkForCpp/billing-2023-09-07/ListContractualInvestmentSummaries) 
+  [Amazon SDK for Go v2](https://docs.amazonaws.cn/goto/SdkForGoV2/billing-2023-09-07/ListContractualInvestmentSummaries) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/billing-2023-09-07/ListContractualInvestmentSummaries) 
+  [Amazon SDK for JavaScript V3](https://docs.amazonaws.cn/goto/SdkForJavaScriptV3/billing-2023-09-07/ListContractualInvestmentSummaries) 
+  [Amazon SDK for Kotlin](https://docs.amazonaws.cn/goto/SdkForKotlin/billing-2023-09-07/ListContractualInvestmentSummaries) 
+  [Amazon SDK for PHP V3](https://docs.amazonaws.cn/goto/SdkForPHPV3/billing-2023-09-07/ListContractualInvestmentSummaries) 
+  [Amazon SDK for Python (Boto3)](https://docs.amazonaws.cn/goto/boto3/billing-2023-09-07/ListContractualInvestmentSummaries) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/billing-2023-09-07/ListContractualInvestmentSummaries)