1 files changed, 1 insertions, 0 deletions
diff --git a/src/Token.php b/src/Token.php
index 867976c..160efcd 100644
--- a/src/Token.php
+++ b/src/Token.php
@@ -120,6 +120,7 @@ class Token
     const FLAG_KEYWORD_COMPOSED         =  4;
     const FLAG_KEYWORD_DATA_TYPE        =  8;
     const FLAG_KEYWORD_KEY              = 16;
+    const FLAG_KEYWORD_FUNCTION         = 32;
 
     // Numbers related flags.
     const FLAG_NUMBER_HEX               =  1;