Get Filter

Returns a filter.This operation can be accessed anonymously.**[Permissions](#permissions) required:** None, however, the filter is only returned where it is: * owned by the user. * shared with a group that the user is a member of. * shared with a private project that the user has *Browse projects* [project permission](https://confluence.atlassian.com/x/yodKLg) for. * shared with a public project. * shared with the public.