diff --git a/Sources/OpenFeature/FlagEvaluationOptions.swift b/Sources/OpenFeature/FlagEvaluationOptions.swift
index 5ed7f07..7fbd014 100644
--- a/Sources/OpenFeature/FlagEvaluationOptions.swift
+++ b/Sources/OpenFeature/FlagEvaluationOptions.swift
@@ -1,6 +1,15 @@
 import Foundation
 
+/// FlagEvaluationOptions is a struct that enables passing in custom hooks and hints to the flag evaluation process.
 public struct FlagEvaluationOptions {
-    var hooks: [any Hook] = []
-    var hookHints: [String: Any] = [:]
+    public let hooks: [any Hook]
+    public let hookHints: [String: Any]
+
+    public init(
+        hooks: [any Hook] = [],
+        hookHints: [String: Any] = [:]
+    ) {
+        self.hooks = hooks
+        self.hookHints = hookHints
+    }
 }