public void setAccountId(String accountId) {
        this.accountId = accountId;
    }
<p>
The 12-digit account ID of a member account.
</p>

@param accountId
       The 12-digit account ID of a member account.
aws-java-sdk-config/src/main/java/com/amazonaws/services/config/model/OrganizationConformancePackDetailedStatus.java