# Access Messaging UI When “Regarding” of Messaging Session Is Set
Message UI is accessible from any CRM Records as well when **“Regarding”** is Set.
For Example: If a **Case** record is associated as **“Regarding”** to a particular session, then here is how you can access Message UI from **Case** record:
* Navigate to **Settings** -> **Customizations.**
* Click on **'Customize the System'.**
* Navigate to **Entities** Navigate -> **Case**-> **Forms**.
* Click on **Case** Entity with Form Type Main.
* Select (or Add) the **Tab**
* Then Select, **Sub-Grid**.
* A new window will pop up. **Add the Name, Label, Records** as **Only Related Records, Entity** as **Message Sessions (Regarding), Default View** as **All Message Sessions - Internal Purpose.**
* Navigate to **Controls** and click **Add Controls.**
* From the dropdown list search for **TextSMSChatSystem** and add it as a control.
* Once done, **TextSMSChatSystem** will be shown under the **Controls Tab** and you can enable it for multiple devices to access it accordingly.
* After clicking **Ok**, then click on **Save** & **Publish** for the grid to be visible.
* Once done, you can view the **Message UI** on the Case Record and communicate with the customers directly, as shown in the screenshot below.
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