diff --git a/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/action/AtomicAction.java b/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/action/AtomicAction.java
new file mode 100644
index 000000000..74bb3bc7b
--- /dev/null
+++ b/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/action/AtomicAction.java
@@ -0,0 +1,4 @@
+package eu.dnetlib.dhp.schema.action;
+
+public class AtomicAction {
+}
diff --git a/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/action/AtomicActionDeserializer.java b/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/action/AtomicActionDeserializer.java
new file mode 100644
index 000000000..86fe2c421
--- /dev/null
+++ b/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/action/AtomicActionDeserializer.java
@@ -0,0 +1,4 @@
+package eu.dnetlib.dhp.schema.action;
+
+public class AtomicActionDeserializer {
+}