diff --git a/data/src/main/java/one/nem/kidshift/data/RewardData.java b/data/src/main/java/one/nem/kidshift/data/RewardData.java
index a473ca7..cfb291d 100644
--- a/data/src/main/java/one/nem/kidshift/data/RewardData.java
+++ b/data/src/main/java/one/nem/kidshift/data/RewardData.java
@@ -1,11 +1,20 @@
 package one.nem.kidshift.data;
 
+import java.util.List;
 import java.util.concurrent.CompletableFuture;
 
+import one.nem.kidshift.model.HistoryModel;
+
 public interface RewardData {
     /**
      * 現時点の合計報酬額を取得する
      * @return Integer 合計報酬額
      */
     CompletableFuture<Integer> getTotalReward(String childId);
+
+    CompletableFuture<List<HistoryModel>> getRewardHistoryList();
+
+    CompletableFuture<List<HistoryModel>> getRewardHistoryList(String childId);
+
+
 }