View, manage and reply to tickets
Replying is where support happens; managing is the queue discipline around it. Both are permissioned, so a specialist can answer without being able to reorganise the queue.
Helpdesk is customer tickets and the knowledge base that answers them — the two halves of support, kept together so that a question answered twice becomes an article once.
Tickets from customers, and the knowledge base that answers them.
Replying is where support happens; managing is the queue discipline around it. Both are permissioned, so a specialist can answer without being able to reorganise the queue.
Reading and maintaining are separate rights. Write the article the second time you answer something, not the fifth.
The capability list this guide is written against, unabridged. Nothing above adds to it.
Helpdesk on the Services pageThe modules Helpdesk hands work to, or takes it from. Most problems that look like one module are a handover between two.