install_zip command
diff --git a/extendedcommands.h b/extendedcommands.h
index 12d6107..ddb619c 100644
--- a/extendedcommands.h
+++ b/extendedcommands.h
@@ -30,3 +30,7 @@
 
 void
 show_choose_zip_menu();
+
+int
+install_zip(const char* packagefilepath);
+