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+# Collection+JSON Extensions
+
+## 1.0 Additional `data` property
+
+In addition to the properties outlined in section 4.2, the `data` array MAY contain the `type` property.
+
+## 2.0 Properties
+
+### 2.1 `type`
+
+The `type` property MAY be a child element of `data` array elements.
+
+It SHOULD be a `STRING` type and describe the type `value` is. Examples include "date" and "timestamp".