diff --git a/API/RenderSession.cs b/API/RenderSession.cs
index d5ebd4a..c2e2271 100644
--- a/API/RenderSession.cs
+++ b/API/RenderSession.cs
@@ -76,6 +76,11 @@ public class RenderSession
         return this;
     }
 
+    /// <summary>
+    /// Sets the custom output path for the rendered file.
+    /// </summary>
+    /// <param name="outputPath">The file path where the output will be saved, or <c>null</c> to use the default capture directory.</param>
+    /// <returns>The current <see cref="RenderSession"/> instance for method chaining.</returns>
     public RenderSession WithOutputPath(string? outputPath)
     {
         _outputPath = outputPath;