added missing parameterless IEnumerator action registration.

CHANGELOG.md

@@ -73,6 +73,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Yarn Projects now allow choosing more specific cultures (for example 'pt-BR' and 'en-AU' rather than simply 'pt' and 'en') as their base language.
 - `DialogueRunner.dialogueCompleteTask` now uses a completion source, rather than polling.
 - `YarnNode` dropdowns no longer show individual node group members in the list.
+- `IActionRegistration` now correctly supports commands without parameters.
 
 ### Removed
 

Runtime/IActionRegistration.cs

@@ -171,6 +171,8 @@ public static class ActionRegistrationExtension
         public static void AddCommandHandler<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(this IActionRegistration registration, string commandName, System.Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, YarnTask> handler) => registration.AddCommandHandler(commandName, (Delegate)handler);
         // GYB11 END
 
+        /// <inheritdoc cref="IActionRegistration.AddCommandHandler(string, Delegate)"/>
+        public static void AddCommandHandler(this IActionRegistration registration, string commandName, System.Func<IEnumerator> handler) => registration.AddCommandHandler(commandName, (Delegate)handler);
         /// <inheritdoc cref="IActionRegistration.AddCommandHandler(string, Delegate)"/>
         public static void AddCommandHandler<T1>(this IActionRegistration registration, string commandName, System.Func<T1, IEnumerator> handler) => registration.AddCommandHandler(commandName, (Delegate)handler);
         /// <inheritdoc cref="IActionRegistration.AddCommandHandler(string, Delegate)"/>