Trigger Refactor (#39034)

Content.Shared/Trigger/Components/Triggers/BaseTriggerOnXComponent.cs

@@ -0,0 +1,16 @@
+using Content.Shared.Trigger.Systems;
+
+namespace Content.Shared.Trigger.Components.Triggers;
+
+/// <summary>
+/// Base class for components that cause a trigger to be activated.
+/// </summary>
+public abstract partial class BaseTriggerOnXComponent : Component
+{
+    /// <summary>
+    /// The key that the trigger will activate.
+    /// null will activate all triggers.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public string? KeyOut = TriggerSystem.DefaultTriggerKey;
+}