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+[TOC](Readme.md) [Prev](aliases.md) [Next](hidden.md)
+
+# Emit Values
+
+By default all top-level fields are emitted when evaluating a configuration.
+CUE files may define a top-level value that is emitted instead.
+
+Values within the emit value may refer to fields defined outside of it.
+
+Emit values allow CUE configurations, like JSON,
+to define any type, instead of just structs, while keeping the common case
+of defining structs light.
+
+<!-- CUE editor -->
+```
+{
+    a: A
+    b: B
+}
+
+A: 1
+B: 2
+```
+
+<!-- result -->
+```
+a: 1
+b: 2
+```
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