diff --git a/README.md b/README.md
index ab4c627..c3ad387 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,7 @@ Simple functional functions common to any development in Typescript or JavaScrip
 - **cloneJSON**: Clone JSON.
 - **updateJSON**: Returns a JSON with an updated value.
 - **getRandom**: Returns a random number from a range, with an optional number of decimal places.
+- **getIndexOfFileList**: Returns the index of an Array of Files from its name. If there are multiple files with the same name, the last one will be returned.
 
 ## Example
 
@@ -42,4 +43,4 @@ And build.
 make build
 ````
 
-Check 'dist' folder.
\ No newline at end of file
+Check 'dist' folder.