Hello, its possible to assign one task to more than one user?
to assign more users to one task you can use distributed task. Distributed task will divide your task to several sub-tasks, one for each user. In this case is recommended to create new tracker with distributed option enabled.
More informations and how to set distributed task you can find in our online documentation:
is this only way? Is there any other possibility without creating subtasks? I would like to keep it in one task.
other possibility is to add co-worker to your task. Co-workers option you can find on right side panel on task details.
Also you can assign task to the group.
Both possibilities are described in our online knowledge base: