The Ampli Wrapper exposes a strongly typed API that matches the definitions in your tracking plan. The tracking library generated by `ampli pull` tracks and validates events sent to Amplitude Data. Ampli generates the tracking library dynamically to match your tracking plan. Instead of tracking events like this:

```java
JSONObject props = new JSONObject();
props.put("name", "Moto 360");

OldLibrary.trackEvent(
  "Product Viewed",
  props
);
```

Track events like this:

```java
ampli.productViewed(
  name = "Moto 360"
)
```

Ampli helps reduce typos, forgotten properties, and boilerplate code. The Ampli tracking library acts like autocomplete for your analytics.