Merge pull request #164452 from ArvindHarinder1/patch-204

Update functions-for-customizing-application-data.md

Author: PRMerger14

articles/active-directory/app-provisioning/functions-for-customizing-application-data.md

@@ -8,7 +8,7 @@ ms.service: active-directory
 ms.subservice: app-provisioning
 ms.workload: identity
 ms.topic: reference
-ms.date: 05/11/2021
+ms.date: 07/02/2021
 ms.author: kenwith
 ms.reviewer: arvinh
 ---
@@ -728,6 +728,8 @@ ToLower(source, culture)
 **Description:** 
 Takes a *source* string value and converts it to lower case using the culture rules that are specified. If there is no *culture* info specified, then it will use Invariant culture.
 
+If you would like to set existing values in the target system to lower case, [update the schema for your target application](./customize-application-attributes.md#editing-the-list-of-supported-attributes) and set the property caseExact to 'true' for the attribute that you are interested in. 
+
 **Parameters:** 
 
 | Name | Required/ Repeating | Type | Notes |
@@ -755,6 +757,8 @@ ToUpper(source, culture)
 **Description:** 
 Takes a *source* string value and converts it to upper case using the culture rules that are specified. If there is no *culture* info specified, then it will use Invariant culture.
 
+If you would like to set existing values in the target system to upper case, please [update the schema for your target application](./customize-application-attributes.md#editing-the-list-of-supported-attributes) and set the property caseExact to 'true' for the attribute that you are interested in. 
+
 **Parameters:** 
 
 | Name | Required/ Repeating | Type | Notes |