To install the module must access to the Services/Project category and remove the App filter. After the module appears must do click on Install button. This action will install all required modules like Project if there aren't installed.

After the installation, the module options will appear in the Project menu. Inside projects we can access to configure our categories Configuration > Tasks/Activities Categories.

Now we can create our categories to establish the relationship with the activities and tasks. During the category creation we can assign activity types to it.

Accessing to the activity types inside Project in Configuration > Activity Types menu, we can assign categories to defined activity types.

To assign a category to one task we can create a new task form the Task menu option. Inside the information of the task you can select the category related to it.

Also if you create the task from the Kanban of a project, you can select the category of the task.

Inside the task details will appear a button Schedule activities. This button will trigger the schedule of each activity type related to the same category of the task. Scheduling is perfomred in the same order that activity types are relationed with the category.

At the moment of schedule the activity types, the first activity take previous time as the current time, and then every activity take the previous time as the due date of the previous activity. After that the activity information can be updated manually.