public String getAccountId() {
        return this.accountId;
    }
<p>
The unique identifier for the Amazon Web Services account that's associated with the IAM user who performed the
action.
</p>

@return The unique identifier for the Amazon Web Services account that's associated with the IAM user who
        performed the action.
aws-java-sdk-macie2/src/main/java/com/amazonaws/services/macie2/model/IamUser.java