Templates
Templates can be selected when creating a shotlist so that you don't have to create the same attributes over and over again.
None of the changes made to a template will be reflected in existing shotlists. Every shotlist manages its own attributes - only those created based on this template after it has been edited will use the updated attributes.
This also means that deleting a template has no effect on any shotlists. There is also no way for the template owner to access or edit your shotlist if you created it using a shared template.
Editing
Templates can be edited by selecting a Template from the Sidebar or Dashboard.
New attributes can be added using the Add scene attribute / Add shot attribute buttons, these attributes reflect the Attributes that will later be created in the shotlist.
A template can be deleted by clicking Delete template in the top right.