Updated DataExtension API Builders (markdown)

DataExtension-API-Builders.md

@@ -31,13 +31,7 @@ return builder.addValue(Long.class,
 );
 ```
 
-You can add multiple values to a single builder.
-```java
-ExtensionDataBuilder builder = newExtensionDataBuilder();
-return builder.addValue(Long.class, builder.valueBuilder("Steps taken").buildNumber(53298L))
-    .addValue(String.class, builder.valueBuilder("Taken in").buildNumber("World Name"))
-;
-```
+You can add multiple values to a single builder before returning it.
 
 Here are the types and build methods that are available:
 ```java
@@ -62,6 +56,24 @@ Table.class,    ...buildTable(() -> Table.builder()...build(), Color.BLUE);
 ```
 The lambda methods can be used for method references, conditional values (eg returning null sometimes) and for throwing `NotReadyException` for a specific value.
 
+<details>
+<summary>Example</summary>
+
+```java
+public ExtensionDataBuilder lotsOfServerData() {
+    ExtensionDataBuilder builder = newExtensionDataBuilder();
+    return builder.addValue(Long.class, builder.valueBuilder("Houses built")
+            .buildNumber(() -> {
+                if (database == null) throw new NotReadyException();
+                return database.getHouseCount();
+            })
+        ).addValue(Long.class builder.valueBuilder("Superheroes")
+            .buildNumber(this::getSuperheroCount)
+        );
+```
+
+</details>
+
 In addition to this value builder has a lot of other methods:
 ```
 builder.valueBuilder("Example")                                        // 50 char limit