NOTE: This suggestion is for JIRA Service Desk Cloud. Using JIRA Service Desk Server? See the corresponding suggestion.
There is no functionality provided to the user to add other users to a service desk ticket.
Therefore if the customer goes on vacation or wants to keep his team in the loop on a service desk issue there is no way to do this.
JSDCLOUD-269 Allow customers to add other customers as request participants in the Customer Portal
- is related to
JSDSERVER-516 No way for customer to add a watcher to JIRA Service Desk tickets