Lists are called up by the properties or attributes of projects, resources, budgets... themes.
Lists can only be managed via this screen 
Lists.
On the other hand, attributes specific to each theme can be managed in 
Administration > Field settings > Attributes.
List of lists
This list displays the 
Wordingthe Code and the List for attributes.
Rights required : 
View attributes in platform administration
Allows you to create a new list. Lists - Creating and modifying a list
Rights required : Create attributes in platform administration
We can have a filter All projects or a filter that works with criteria.
This button makes it easy to find the items you're looking for. You can use an already saved filter (private or public) or specify specific filter criteria.
Click on 
This button is used to sort :
- in ascending order on first click (down arrow)
- in descending order on second click (arrow up) A third click on this button removes the sorting.
Sorting is performed on the header of a list in the application: list of views, users, projects, etc.
Creating and modifying a list
The screens for creating and modifying a list are similar.
The screen is divided into two parts: one for modifying list description elements, and the other for list elements (list of elements, creation, modification, deletion...).
Here are the fields found in this screen:
Code If multilingual configuration is enabled, an additional field must be filled in a section Multilingual.
This field corresponds to the object label in the other language.
Allows you to create a new list item. Lists - Creating and modifying a list item
Allows you to modify an item in a list.
Displays the list of changes made to this list by all users.
Stocks are sorted from the most recent to the oldest date.
Displays the list of changes made to an item in the list by all users.
Stocks are sorted from the most recent to the oldest date.
Allows you to set an item in the list as the default. attribute will call this list in an object such as a project will have this list item as the default.
The default list item cannot be deleted. To delete it, make another list item the default.
This feature is useful for applying your modifications while continuing to change information on the same page. This button is available when you are modifying an element that has already been created.
Validates your changes. This may redirect you to the previous page on some screens.
Allows you to delete a list item.
The right to modify an element also allows the element to be deleted. If a list value is used in the application (for example, on filters):
1. If my list value is used as a search criterion, project filter -> Can be deleted (force deletion via popup).
2. If my list value is used in project forms -> It cannot be deleted directly; the value must be replaced.
To replace the value rather than delete it, go directly to the contextual menu click on "Replace with." This allows you to replace one list item with another item from the same list. The replaced item will disappear directly from the list. 
Managing obsolete list values
Replaces a list element with another element from the same list. The replaced element will then disappear from the list.
See also Managing obsolete list values
Creating and editing list items
When you add a new list item, a window appears, prompting you to fill in the information to describe this new item.
This feature is useful for applying your modifications while continuing to change information on the same page. This button is available when you are modifying an element that has already been created.
Allows you to delete a list item.
The right to modify an element also allows the element to be deleted. If a list value is used in the application (for example, on filters):
1. If my list value is used as a search criterion, project filter -> Can be deleted (force deletion via popup).
2. If my list value is used in project forms -> It cannot be deleted directly; the value must be replaced.
To replace the value rather than delete it, go directly to the contextual menu click on "Replace with." This allows you to replace one list item with another item from the same list. The replaced item will disappear directly from the list. Managing obsolete list values