diff --git a/chapter-12/src/main/java/org/jnosql/demo/se/RedisStructure.java b/chapter-12/src/main/java/org/jnosql/demo/se/RedisStructure.java
new file mode 100644
index 0000000..8625035
--- /dev/null
+++ b/chapter-12/src/main/java/org/jnosql/demo/se/RedisStructure.java
@@ -0,0 +1,29 @@
+package org.jnosql.demo.se;
+
+
+import jakarta.enterprise.context.ApplicationScoped;
+import jakarta.inject.Inject;
+import org.eclipse.jnosql.databases.redis.communication.Counter;
+import org.eclipse.jnosql.databases.redis.communication.SortedSet;
+import org.eclipse.jnosql.mapping.keyvalue.KeyValueDatabase;
+
+@ApplicationScoped
+public class RedisStructure {
+
+    @Inject
+    @KeyValueDatabase("home")
+    private Counter counter;
+
+    @Inject
+    @KeyValueDatabase("game")
+    private SortedSet sortedSet;
+
+
+    public void increment() {
+        counter.increment();
+    }
+
+    public void increment(String name, long value) {
+        sortedSet.increment(name, value);
+    }
+}