diff --git a/API/RenderSession.cs b/API/RenderSession.cs
index c891904..3cf321f 100644
--- a/API/RenderSession.cs
+++ b/API/RenderSession.cs
@@ -62,6 +62,11 @@ public class RenderSession
         return this;
     }
 
+    /// <summary>
+    /// Sets the custom condition function that determines when the render session should end.
+    /// </summary>
+    /// <param name="endCondition">A delegate returning <c>true</c> when the session end condition is met.</param>
+    /// <returns>The current <see cref="RenderSession"/> instance for method chaining.</returns>
     public RenderSession WithEndCondition(Func<bool> endCondition)
     {
         _endCondition = endCondition;