diff --git a/src/main/java/org/gridsuite/study/server/StudyConstants.java b/src/main/java/org/gridsuite/study/server/StudyConstants.java
index d0789a28d..9b24df6a8 100644
--- a/src/main/java/org/gridsuite/study/server/StudyConstants.java
+++ b/src/main/java/org/gridsuite/study/server/StudyConstants.java
@@ -116,7 +116,10 @@ public enum SldDisplayMode {
     }
 
     public enum ModificationsActionType {
-        MOVE, COPY, INSERT
+        MOVE,
+        COPY,
+        SPLIT_COMPOSITE, // the network modifications contained into the composite modifications are extracted and inserted one by one
+        INSERT_COMPOSITE // the composite modifications are fully inserted as composite modifications
     }
 
     public enum Severity {
diff --git a/src/main/java/org/gridsuite/study/server/controller/StudyController.java b/src/main/java/org/gridsuite/study/server/controller/StudyController.java
index 73b2ecaf6..8b3daecb0 100644
--- a/src/main/java/org/gridsuite/study/server/controller/StudyController.java
+++ b/src/main/java/org/gridsuite/study/server/controller/StudyController.java
@@ -662,7 +662,7 @@ public ResponseEntity<Void> moveOrCopyModifications(@PathVariable("studyUuid") U
         studyService.assertIsStudyAndNodeExist(originStudyUuid, originNodeUuid);
         studyService.assertCanUpdateModifications(studyUuid, nodeUuid);
         switch (action) {
-            case COPY, INSERT:
+            case COPY, SPLIT_COMPOSITE, INSERT_COMPOSITE:
                 handleDuplicateOrInsertNetworkModifications(studyUuid, nodeUuid, originStudyUuid, originNodeUuid, modificationsToCopyUuidList, userId, action);
                 break;
             case MOVE: