# Sortable collections
Sortable collections are implemented by the modules
f_collection
f_collection_item
The permissions for module f_collection_item
derived from module f_collection
and therefore
no configuration in admin snap-in for this module.
The permissions for read
and delete
are handled in an CollectionItemAfterCreateSessionEventListener
.
The permissions for edit
and create
are handled in before_set_single
and before_set_multiple
hooks,
because not possible in CollectionItemAfterCreateSessionEventListener
.
Permission definition:
read
set to
read
permission from modulesf_collection
andfile
delete
set to
edit
permission from modulef_collection
create
Only possible when
collection
set to a collection withedit
permission andfile
set to a file withread
permission.edit
Only when recent collection is
editable
and when properties fromcreate
permission set then the same conditions have to take effectassign
not supported because not make sense