diff --git a/Sources/GoogleAI/ModelContent.swift b/Sources/GoogleAI/ModelContent.swift
index edfead4..172fc80 100644
--- a/Sources/GoogleAI/ModelContent.swift
+++ b/Sources/GoogleAI/ModelContent.swift
@@ -114,7 +114,7 @@ public struct ModelContent: Codable, Equatable {
   /// ``Part``. See ``ThrowingPartsRepresentable`` for types that can be interpreted as `Part`s.
   public init(role: String? = "user", parts: some PartsRepresentable) {
     self.role = role
-    self.parts = parts.toPartsValue()
+    self.parts = parts.partsValue
   }
 
   /// Creates a new value from a list of ``Part``s.
@@ -135,7 +135,7 @@ public struct ModelContent: Codable, Equatable {
   /// ``ThrowingPartsRepresentable``
   /// for types that can be interpreted as `Part`s.
   public init(role: String? = "user", _ parts: [PartsRepresentable]) {
-    let content = parts.flatMap { $0.toPartsValue() }
+    let content = parts.flatMap { $0.partsValue }
     self.init(role: role, parts: content)
   }
 }
diff --git a/Sources/GoogleAI/PartsRepresentable.swift b/Sources/GoogleAI/PartsRepresentable.swift
index 5d281ef..05ba0d9 100644
--- a/Sources/GoogleAI/PartsRepresentable.swift
+++ b/Sources/GoogleAI/PartsRepresentable.swift
@@ -26,13 +26,13 @@ public protocol ThrowingPartsRepresentable {
 /// ``ThrowingPartsRepresentable``
 @available(iOS 15.0, macOS 11.0, macCatalyst 15.0, *)
 public protocol PartsRepresentable: ThrowingPartsRepresentable {
-  func toPartsValue() -> [ModelContent.Part]
+  var partsValue: [ModelContent.Part] { get }
 }
 
 @available(iOS 15.0, macOS 11.0, macCatalyst 15.0, *)
 public extension PartsRepresentable {
   func tryPartsValue() throws -> [ModelContent.Part] {
-    return toPartsValue()
+    return partsValue
   }
 }
 
@@ -60,7 +60,7 @@ extension [ThrowingPartsRepresentable]: ThrowingPartsRepresentable {
 /// Enables a `String` to be passed in as ``ThrowingPartsRepresentable``.
 @available(iOS 15.0, macOS 11.0, macCatalyst 15.0, *)
 extension String: PartsRepresentable {
-  public func toPartsValue() -> [ModelContent.Part] {
+  public var partsValue: [ModelContent.Part] {
     return [.text(self)]
   }
 }