public RequestPhoneNumberRequest withPoolId(String poolId) {
        setPoolId(poolId);
        return this;
    }
<p>
The pool to associated with the phone number. You can use the PoolId or PoolArn.
</p>

@param poolId
       The pool to associated with the phone number. You can use the PoolId or PoolArn.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-pinpointsmsvoicev2/src/main/java/com/amazonaws/services/pinpointsmsvoicev2/model/RequestPhoneNumberRequest.java