diff --git a/27-01-2021-grepString/only_hook.txt b/27-01-2021-grepString/only_hook.txt
new file mode 100644
index 0000000..151c111
--- /dev/null
+++ b/27-01-2021-grepString/only_hook.txt
@@ -0,0 +1 @@
+Google-login-hook
\ No newline at end of file