under Asana API Explorer
GET /workspaces/XXXXXXXX/tasks/search?opt_fields=gid,assignee,due_on,name,completed,assignee_status&created_by.any=BBBBBB&completed=false&projects.any=AAAAAA&assignee.not=YYYYY,ZZZZZ ASSIGNEE.NOT does not work
Result still contains the parameter passed to the assignee.not
?assigned_by.not string Comma-separated list of user identifiers
Could anyone provide some help?