diff --git a/libs/ecs/src/main.zig b/libs/ecs/src/main.zig
index b333d7e3..d5b29a9a 100644
--- a/libs/ecs/src/main.zig
+++ b/libs/ecs/src/main.zig
@@ -21,6 +21,7 @@ pub const Modules = @import("systems.zig").Modules;
 pub const Messages = @import("systems.zig").Messages;
 pub const MessagesTag = @import("systems.zig").MessagesTag;
 pub const World = @import("systems.zig").World;
+pub const View = @import("systems.zig").View;
 
 // TODO:
 // * Iteration
@@ -83,5 +84,5 @@ test "example" {
     try world.entities.setComponent(player2, .physics, .id, 1234);
     try world.entities.setComponent(player3, .physics, .id, 1234);
 
-    world.send(.tick);
+    try world.send(.tick);
 }
diff --git a/libs/ecs/src/systems.zig b/libs/ecs/src/systems.zig
index 41c2fb2f..f70ab314 100644
--- a/libs/ecs/src/systems.zig
+++ b/libs/ecs/src/systems.zig
@@ -269,12 +269,11 @@ pub fn World(comptime modules: anytype) type {
         }
 
         /// Broadcasts a global message to all modules that are subscribed to it.
-        pub fn send(world: *Self, comptime msg_tag: anytype) void {
-            _ = world;
+        pub fn send(world: *Self, comptime msg_tag: anytype) !void {
             inline for (std.meta.fields(@TypeOf(modules))) |module_field| {
                 const module = @field(modules, module_field.name);
                 if (@hasField(@TypeOf(module), "messages")) {
-                    if (@hasField(module.messages, @tagName(msg_tag))) module.update(msg_tag);
+                    if (@hasField(module.messages, @tagName(msg_tag))) try module.update(world, msg_tag);
                 }
             }
         }
diff --git a/src/engine.zig b/src/engine.zig
index 8471883e..25cae398 100644
--- a/src/engine.zig
+++ b/src/engine.zig
@@ -32,7 +32,7 @@ pub fn App(comptime modules: anytype) type {
             };
             app.engine.set(.mach, .core, &app.core);
             app.engine.set(.mach, .device, app.core.device());
-            app.engine.send(.init);
+            try app.engine.send(.init);
         }
 
         pub fn deinit(app: *@This()) void {
@@ -44,7 +44,7 @@ pub fn App(comptime modules: anytype) type {
         }
 
         pub fn update(app: *@This()) !bool {
-            app.engine.send(.tick);
+            try app.engine.send(.tick);
             return false;
         }
     };