1. Navigate to Message via the left-hand navigation bar
2. Select a conversation from the conversation list
3. Locate and click on the Events tab via the conversation details pane at far right. Please note that you may need to locate this tab by selecting the More kebab menu at far right
4. Hover your mouse over the event you’d like to change and select the More kebab icon
5. Click on the Edit event option from the dropdown menu
6. Make any necessary changes to the event
7. Click Save to save your changes