diff --git a/src/main/java/model/BoardProperties.java b/src/main/java/model/BoardProperties.java
index a699ee1250c692af090a4f8c9338b8e3c13f1959..67a411c803c628943849f9304dd75f0c61802f6f 100644
--- a/src/main/java/model/BoardProperties.java
+++ b/src/main/java/model/BoardProperties.java
@@ -1,4 +1,5 @@
 package model;
 
 public interface BoardProperties {
+    int rowCount(); // Nombre de lignes.
 }