diff --git a/Sources/SpeziChat/MessageView.swift b/Sources/SpeziChat/MessageView.swift
index a4792c1..c316360 100644
--- a/Sources/SpeziChat/MessageView.swift
+++ b/Sources/SpeziChat/MessageView.swift
@@ -58,9 +58,9 @@ public struct MessageView: View {
     private var isToolInteraction: Bool {
         switch chat.role {
         case .assistantToolCall, .assistantToolResponse:
-            return true
+            true
         default:
-            return false
+            false
         }
     }
     
diff --git a/Sources/SpeziChat/MessagesView.swift b/Sources/SpeziChat/MessagesView.swift
index 2ad2232..fb93941 100644
--- a/Sources/SpeziChat/MessagesView.swift
+++ b/Sources/SpeziChat/MessagesView.swift
@@ -175,6 +175,8 @@ public struct MessagesView: View {
         [
             ChatEntity(role: .user, content: "User Message!"),
             ChatEntity(role: .hidden(type: .unknown), content: "Hidden Message (but still visible)!"),
+            ChatEntity(role: .assistantToolCall, content: "Assistant Message!"),
+            ChatEntity(role: .assistantToolResponse, content: "Assistant Message!f jiodsjfiods \n fudshfdusi"),
             ChatEntity(role: .assistant, content: "Assistant Message!")
         ],
         hideMessages: .custom(hiddenMessageTypes: [])
diff --git a/Sources/SpeziChat/Models/ChatEntity+Alignment.swift b/Sources/SpeziChat/Models/ChatEntity+Alignment.swift
index 7f2d454..cc32e1c 100644
--- a/Sources/SpeziChat/Models/ChatEntity+Alignment.swift
+++ b/Sources/SpeziChat/Models/ChatEntity+Alignment.swift
@@ -22,18 +22,18 @@ extension ChatEntity {
     var alignment: Alignment {
         switch self.role {
         case .user:
-            return .trailing
+            .trailing
         default:
-            return .leading
+            .leading
         }
     }
     
     var horziontalAlignment: HorizontalAlignment {
         switch self.alignment {
         case .leading:
-            return .leading
+            .leading
         case .trailing:
-            return .trailing
+            .trailing
         }
     }
 }
diff --git a/Sources/SpeziChat/Resources/Localizable.xcstrings b/Sources/SpeziChat/Resources/Localizable.xcstrings
index 55600af..ba9ae4b 100644
--- a/Sources/SpeziChat/Resources/Localizable.xcstrings
+++ b/Sources/SpeziChat/Resources/Localizable.xcstrings
@@ -21,21 +21,71 @@
         }
       }
     },
-    "Equal sign" : {
-
+    "EQUAL_SIGN" : {
+      "localizations" : {
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Gleichzeichen"
+          }
+        },
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Equal Sign"
+          }
+        },
+        "es" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Signo igual"
+          }
+        }
+      }
     },
     "EXPORT_CHAT_BUTTON" : {
       "localizations" : {
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Chat exportieren"
+          }
+        },
         "en" : {
           "stringUnit" : {
             "state" : "translated",
             "value" : "Export the Chat"
           }
+        },
+        "es" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Exportar el chat"
+          }
         }
       }
     },
-    "Function F of X" : {
-
+    "FUNCTION_F_OF_X" : {
+      "localizations" : {
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Funktion F von X"
+          }
+        },
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Function F of X"
+          }
+        },
+        "es" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Función F de X"
+          }
+        }
+      }
     },
     "MESSAGE_INPUT_TEXTFIELD" : {
       "localizations" : {
@@ -126,18 +176,56 @@
       }
     },
     "Text to speech is disabled, press to enable text to speech." : {
-
+      "localizations" : {
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Die Spracheingabe ist deaktiviert, tippe um die Eingabe zu aktivieren."
+          }
+        },
+        "es" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "La función de texto a voz está desactivada, pulse para activarla."
+          }
+        }
+      }
     },
     "Text to speech is enabled, press to disable text to speech." : {
-
+      "localizations" : {
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Die Spracheingabe is aktiviert, tippe um die Eingabe zu dekativieren"
+          }
+        },
+        "es" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "La función de texto a voz está activada, pulse para desactivarla."
+          }
+        }
+      }
     },
     "TYPING_INDICATOR" : {
       "localizations" : {
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Schreibanzeige"
+          }
+        },
         "en" : {
           "stringUnit" : {
             "state" : "translated",
             "value" : "Typing Indicator"
           }
+        },
+        "es" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Indicador de mecanografía"
+          }
         }
       }
     }
diff --git a/Sources/SpeziChat/ToolInteractionView.swift b/Sources/SpeziChat/ToolInteractionView.swift
index d544002..f4f3844 100644
--- a/Sources/SpeziChat/ToolInteractionView.swift
+++ b/Sources/SpeziChat/ToolInteractionView.swift
@@ -27,7 +27,7 @@ struct ToolInteractionView: View {
     private func toolCallView(content: String) -> some View {
         HStack {
             Image(systemName: "function")
-                .accessibilityLabel("Function F of X")
+                .accessibilityLabel("FUNCTION_F_OF_X")
                 .frame(width: 20)
             Text(content)
                 .foregroundStyle(.secondary)
@@ -46,7 +46,7 @@ struct ToolInteractionView: View {
     private func toolResponseView(content: String) -> some View {
         HStack {
             Image(systemName: "equal")
-                .accessibilityLabel("Equal sign")
+                .accessibilityLabel("EQUAL_SIGN")
                 .frame(width: 20)
             
             Group {
diff --git a/Tests/UITests/TestApp/ChatTestView.swift b/Tests/UITests/TestApp/ChatTestView.swift
index 7530427..bf04b1e 100644
--- a/Tests/UITests/TestApp/ChatTestView.swift
+++ b/Tests/UITests/TestApp/ChatTestView.swift
@@ -32,7 +32,17 @@ struct ChatTestView: View {
                 // Append a new assistant message to the chat after sleeping for 5 seconds.
                 if newValue.last?.role == .user {
                     Task {
-                        try await Task.sleep(for: .seconds(5))
+                        try await Task.sleep(for: .seconds(3))
+                        
+                        await MainActor.run {
+                            chat.append(.init(role: .assistantToolCall, content: "call_test_func({ test: true })"))
+                        }
+                        try await Task.sleep(for: .seconds(1))
+                        
+                        await MainActor.run {
+                            chat.append(.init(role: .assistantToolResponse, content: "{ some: response }"))
+                        }
+                        try await Task.sleep(for: .seconds(1))
                         
                         await MainActor.run {
                             chat.append(.init(role: .assistant, content: "**Assistant** Message Response!"))
diff --git a/Tests/UITests/TestAppUITests/TestAppUITests.swift b/Tests/UITests/TestAppUITests/TestAppUITests.swift
index 5a0569d..cb6c181 100644
--- a/Tests/UITests/TestAppUITests/TestAppUITests.swift
+++ b/Tests/UITests/TestAppUITests/TestAppUITests.swift
@@ -154,4 +154,21 @@ class TestAppUITests: XCTestCase {
         XCTAssert(!app.buttons["Speaker strikethrough"].waitForExistence(timeout: 2))
         XCTAssert(app.buttons["Speaker"].waitForExistence(timeout: 2))
     }
+    
+    func testFunctionCallAndResponse() throws {
+        let app = XCUIApplication()
+        
+        XCTAssert(app.staticTexts["SpeziChat"].waitForExistence(timeout: 1))
+        XCTAssert(app.staticTexts["Assistant Message!"].waitForExistence(timeout: 1))
+        
+        try app.textFields["Message Input Textfield"].enter(value: "Call some function", dismissKeyboard: false)
+        XCTAssert(app.buttons["Send Message"].waitForExistence(timeout: 5))
+        app.buttons["Send Message"].tap()
+        
+        sleep(5)
+        
+        XCTAssert(app.staticTexts["call_test_func({ test: true })"].waitForExistence(timeout: 2))
+        XCTAssert(app.staticTexts["{ some: response }"].waitForExistence(timeout: 2))
+        XCTAssert(app.staticTexts["Assistant Message Response!"].waitForExistence(timeout: 2))
+    }
 }