public void setPoolId(String poolId) {
        this.poolId = poolId;
    }
<p>
The unique identifier of the pool associated with the phone number.
</p>

@param poolId
       The unique identifier of the pool associated with the phone number.
aws-java-sdk-pinpointsmsvoicev2/src/main/java/com/amazonaws/services/pinpointsmsvoicev2/model/PhoneNumberInformation.java