diff --git a/src/search.ts b/src/search.ts
index e337593..14cf887 100644
--- a/src/search.ts
+++ b/src/search.ts
@@ -4,7 +4,7 @@ import { recursiveSearch } from './search-functions';
 /**
  * Searches for items within a collection that match the given search text.
  *
- * @param {Partial<SearchOptions>} options - The search parameters including searchText, searchItems, keys to search in,
+ * @param {SearchOptions} options - The search parameters including searchText, searchItems, keys to search in,
  *                                           whether to include keys and if the search is exact.
  * @returns {SearchItem[]} The matched items as an array.
  *
@@ -31,12 +31,12 @@ import { recursiveSearch } from './search-functions';
  * console.log(found); // [{ name: "John", lastName: "Doe" }]
  */
 function search({
-  searchText = '',
-  searchItems = [],
+  searchText,
+  searchItems,
   keys = [],
   include = true,
   exact = false
-}: Partial<SearchOptions>): SearchItem[] {
+}: SearchOptions): SearchItem[] {
   const regex = new RegExp(exact ? `^${searchText}$` : searchText, 'i');
   const results: SearchItem[] = [];
 
diff --git a/src/types.ts b/src/types.ts
index f3ff9e8..ec37a20 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -26,7 +26,7 @@ export type SearchItem = Record<string, any>;
 export interface SearchOptions {
   searchText: string;
   searchItems: SearchItem | SearchItem[];
-  keys: string[];
-  include: boolean;
-  exact: boolean;
+  keys?: string[];
+  include?: boolean;
+  exact?: boolean;
 }