old_contents: # Licensed to the StackStorm, Inc ('StackStorm') under one or more
  # contributor license agreements.  See the NOTICE file distributed with
  # this work for additional information regarding copyright ownership.
  # The ASF licenses this file to You under the Apache License, Version 2.0
  # (the "License"); you may not use this file except in compliance with
  # the License.  You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from st2api.controllers.resource import ResourceController
  from st2common.models.api.trace import TraceAPI
  from st2common.persistence.trace import Trace
  
  __all__ = [
      'TracesController'
  ]
  
  
  class TracesController(ResourceController):
      model = TraceAPI
      access = Trace
      supported_filters = {
          'trace_tag': 'trace_tag',
          'execution': 'action_executions.object_id',
          'rule': 'rules.object_id',
          'trigger_instance': 'trigger_instances.object_id',
      }
  
      query_options = {
          'sort': ['trace_tag']
      }
  
new_contents: # Licensed to the StackStorm, Inc ('StackStorm') under one or more
  # contributor license agreements.  See the NOTICE file distributed with
  # this work for additional information regarding copyright ownership.
  # The ASF licenses this file to You under the Apache License, Version 2.0
  # (the "License"); you may not use this file except in compliance with
  # the License.  You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from st2api.controllers.resource import ResourceController
  from st2common.models.api.trace import TraceAPI
  from st2common.persistence.trace import Trace
  
  __all__ = [
      'TracesController'
  ]
  
  
  class TracesController(ResourceController):
      model = TraceAPI
      access = Trace
      supported_filters = {
          'trace_tag': 'trace_tag',
          'execution': 'action_executions.object_id',
          'rule': 'rules.object_id',
          'trigger_instance': 'trigger_instances.object_id',
      }
  
      query_options = {
          'sort': ['-start_timestamp', 'trace_tag']
      }
  
subject: Change get all traces API endpoint sort order.