From ac3dd3ea6ed321e9275f5f80cd3ef4f94d08b1bf Mon Sep 17 00:00:00 2001
From: asha15 <165079T@uom.lk>
Date: Wed, 5 Jul 2023 08:58:10 +0530
Subject: [PATCH] add method comment

---
 .../identity/oauth/endpoint/authz/OAuth2AuthzEndpoint.java  | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/components/org.wso2.carbon.identity.oauth.endpoint/src/main/java/org/wso2/carbon/identity/oauth/endpoint/authz/OAuth2AuthzEndpoint.java b/components/org.wso2.carbon.identity.oauth.endpoint/src/main/java/org/wso2/carbon/identity/oauth/endpoint/authz/OAuth2AuthzEndpoint.java
index 03e668b76d..da04753f4a 100644
--- a/components/org.wso2.carbon.identity.oauth.endpoint/src/main/java/org/wso2/carbon/identity/oauth/endpoint/authz/OAuth2AuthzEndpoint.java
+++ b/components/org.wso2.carbon.identity.oauth.endpoint/src/main/java/org/wso2/carbon/identity/oauth/endpoint/authz/OAuth2AuthzEndpoint.java
@@ -2267,6 +2267,12 @@ private String validatePKCEParameters(OAuthMessage oAuthMessage, OAuth2ClientVal
         return null;
     }
 
+    /* Check if PKCE is mandatory for the application.
+     *
+     * @param oAuthMessage          OAuthMessage
+     * @param validationResponse    client validation response.
+     * @return boolean Returns whether PKCE is mandatory or not.
+     */
     private boolean isPKCEMandatory(OAuthMessage oAuthMessage,
                                     OAuth2ClientValidationResponseDTO validationResponse) {
         return validationResponse.isPkceMandatory() && !(Boolean.FALSE.equals