edit reply completed, just need to polish the UI a bit more.

RiotSwiftUI/Modules/Room/Composer/ViewModel/ComposerViewModel.swift

@@ -19,6 +19,7 @@ import SwiftUI
 typealias ComposerViewModelType = StateStoreViewModel<ComposerViewState, ComposerViewAction>
 
 class ComposerViewModel: ComposerViewModelType, ComposerViewModelProtocol {
+    
     // MARK: - Properties
 
     // MARK: Private
@@ -26,15 +27,26 @@ class ComposerViewModel: ComposerViewModelType, ComposerViewModelProtocol {
     // MARK: Public
     var callback: ((ComposerViewModelResult) -> Void)?
     
-    // MARK: - Public
-    func setSendMode(_ sendMode: RoomInputToolbarViewSendMode) {
-        state.sendMode = sendMode
+    var sendMode: RoomInputToolbarViewSendMode {
+        get {
+            state.sendMode
+        }
+        set {
+            state.sendMode = newValue
+        }
     }
     
-    func setEventSenderDisplayName(_ eventSenderDisplayName: String?) {
-        state.eventSenderDisplayName = eventSenderDisplayName
+    var eventSenderDisplayName: String? {
+        get {
+            state.eventSenderDisplayName
+        }
+        set {
+            state.eventSenderDisplayName = newValue
+        }
     }
     
+    // MARK: - Public
+    
     override func process(viewAction: ComposerViewAction) {
         switch viewAction {
         case .cancel:

RiotSwiftUI/Modules/Room/Composer/ViewModel/ComposerViewModelProtocol.swift

@@ -19,7 +19,6 @@ import Foundation
 protocol ComposerViewModelProtocol {
     var context: ComposerViewModelType.Context { get }
     var callback: ((ComposerViewModelResult) -> Void)? { get set }
-    
-    func setSendMode(_ sendMode: RoomInputToolbarViewSendMode)
-    func setEventSenderDisplayName(_ eventSenderDisplayName: String?)
+    var sendMode: RoomInputToolbarViewSendMode { get set }
+    var eventSenderDisplayName: String? { get set }
 }