diff --git a/src/lib/@types/index.d.ts b/src/lib/@types/index.d.ts
index 4d0f8805..f1334db3 100644
--- a/src/lib/@types/index.d.ts
+++ b/src/lib/@types/index.d.ts
@@ -290,6 +290,12 @@ declare module 'simple-keyboard' {
      */
     setInput(input: string, inputName?: string): void;
 
+    /**
+     * Replaces the entire internal input object.
+     * @param  {string} input the input object
+     */
+    replaceInput(input: any): void;
+
     /**
      * Set new option or modify existing ones after initialization.
      * @param  {KeyboardOptions} option The option to set