From 2078c593a282b44d0e9a5eaa2124b1da8e725543 Mon Sep 17 00:00:00 2001
From: Radek Simko <radek.simko@gmail.com>
Date: Wed, 15 Apr 2015 18:55:49 +0100
Subject: [PATCH] conf: docs added for length func

---
 website/source/docs/configuration/interpolation.html.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/website/source/docs/configuration/interpolation.html.md b/website/source/docs/configuration/interpolation.html.md
index e51830a8d..45f45e287 100644
--- a/website/source/docs/configuration/interpolation.html.md
+++ b/website/source/docs/configuration/interpolation.html.md
@@ -93,6 +93,11 @@ The supported built-in functions are:
       only possible with splat variables from resources with a count
       greater than one. Example: `join(",", aws_instance.foo.*.id)`
 
+  * `length(list)` - Returns a number of members in a given list
+      or a number of characters in a given string.
+      * `${length(split(",", "a,b,c"))}` = 3
+      * `${length("a,b,c")}` = 5
+
   * `lookup(map, key)` - Performs a dynamic lookup into a mapping
       variable. The `map` parameter should be another variable, such
       as `var.amis`.