diff --git a/feature/library/src/main/java/one/nem/lacerta/feature/library/DocumentSelectListener.java b/feature/library/src/main/java/one/nem/lacerta/feature/library/DocumentSelectListener.java
new file mode 100644
index 00000000..94ebe0bc
--- /dev/null
+++ b/feature/library/src/main/java/one/nem/lacerta/feature/library/DocumentSelectListener.java
@@ -0,0 +1,5 @@
+package one.nem.lacerta.feature.library;
+
+public interface DocumentSelectListener {
+    void onDocumentSelect(String documentId);
+}