From da6325dd7e8e152094b19fe63190907f38ef1ff0 Mon Sep 17 00:00:00 2001
From: Vincent <viproz12@gmail.com>
Date: Tue, 16 Jan 2024 15:05:47 +0100
Subject: [PATCH] Added isKey and getType methods to the documentation (#9111)

---
 docs/en/api/preferences.rst | 39 +++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/docs/en/api/preferences.rst b/docs/en/api/preferences.rst
index 33fb2b604..aae81506a 100644
--- a/docs/en/api/preferences.rst
+++ b/docs/en/api/preferences.rst
@@ -177,6 +177,45 @@ Arduino-esp32 Preferences API
    
    **Note** 
       * A message providing the reason for a failed call is sent to the arduino-esp32 ``log_e`` facility.
+  
+  
+``isKey``
+*************
+
+   Check if a key-value pair from the currently open namespace exists.
+   
+   .. code-block:: arduino
+   
+       bool isKey(const char * key)
+   ..
+
+   **Parameters**
+      * ``key`` (Required)
+         -  the name of the key to be checked. 
+   
+   **Returns**
+      * ``true`` if key-value pair exists; ``false`` otherwise.
+   
+   **Note** 
+      * Attempting to check a key without a namespace being open will return false.
+  
+  
+``getType``
+*************
+
+   Returns the type of a key-value pair from the currently open namespace.
+   
+   .. code-block:: arduino
+   
+       PreferenceType getType(const char * key)
+   ..
+
+   **Parameters**
+      * ``key`` (Required)
+         -  the name of the key to be checked. 
+   
+   **Returns**
+      * PreferenceType element contaning the type of the key-value pair or PT_INVALID on error.
 
 
 ``putChar, putUChar``