diff --git a/app/src/main/java/cy/agorise/crystalwallet/interfaces/OnResponse.java b/app/src/main/java/cy/agorise/crystalwallet/interfaces/OnResponse.java
new file mode 100644
index 0000000..ad6cac6
--- /dev/null
+++ b/app/src/main/java/cy/agorise/crystalwallet/interfaces/OnResponse.java
@@ -0,0 +1,6 @@
+package cy.agorise.crystalwallet.interfaces;
+
+public interface OnResponse {
+    void onSuccess();
+    void onFailed();
+}