# Proposer
<a name="API_marketplace-agreements_Proposer"></a>

Details of the party proposing the agreement terms,. This is commonly the seller for `PurchaseAgreement`. 

## Contents
<a name="API_marketplace-agreements_Proposer_Contents"></a>

**Note**  
In the following list, the required parameters are described first.

 ** accountId **   <a name="AWSMarketplaceService-Type-marketplace-agreements_Proposer-accountId"></a>
The AWS account ID of the proposer.  
Type: String  
Length Constraints: Fixed length of 12.  
Pattern: `[0-9]+`   
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/marketplace-agreement-2020-03-01/Proposer) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/marketplace-agreement-2020-03-01/Proposer) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/marketplace-agreement-2020-03-01/Proposer)