diff --git a/data/src/main/java/one/nem/kidshift/data/KSActions.java b/data/src/main/java/one/nem/kidshift/data/KSActions.java
index ab5b413..38e98b0 100644
--- a/data/src/main/java/one/nem/kidshift/data/KSActions.java
+++ b/data/src/main/java/one/nem/kidshift/data/KSActions.java
@@ -5,6 +5,7 @@ import java.util.concurrent.CompletableFuture;
 
 import one.nem.kidshift.data.retrofit.model.task.TaskListResponse;
 import one.nem.kidshift.model.ChildModel;
+import one.nem.kidshift.model.HistoryModel;
 import one.nem.kidshift.model.ParentModel;
 import one.nem.kidshift.model.tasks.TaskItemModel;
 
@@ -25,4 +26,9 @@ public interface KSActions {
      */
     CompletableFuture<ParentModel> syncParent();
 
+    /**
+     * 履歴情報同期
+     */
+    CompletableFuture<List<HistoryModel>> syncHistory();
+
 }