public void setAwsAccountId(String awsAccountId) {
        this.awsAccountId = awsAccountId;
    }
<p>
The identifier of the Amazon Web Services account in which an environment exists.
</p>

@param awsAccountId
       The identifier of the Amazon Web Services account in which an environment exists.
aws-java-sdk-datazoneexternal/src/main/java/com/amazonaws/services/datazone/model/EnvironmentSummary.java