diff --git a/src/cli/index/alter.php b/src/cli/index/alter.php
new file mode 100644
index 0000000..a4a3fb6
--- /dev/null
+++ b/src/cli/index/alter.php
@@ -0,0 +1,4 @@
+<?php
+
+// @TODO
+// https://github.com/manticoresoftware/manticoresearch-php/blob/master/docs/indexclass.md#alter
\ No newline at end of file