public BatchGetDevicePositionRequest withTrackerName(String trackerName) {
        setTrackerName(trackerName);
        return this;
    }
<p>
The tracker resource retrieving the device position.
</p>

@param trackerName
       The tracker resource retrieving the device position.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-location/src/main/java/com/amazonaws/services/location/model/BatchGetDevicePositionRequest.java