---
title: "GET /stdcm/debug_data/{trace_id}"
method: GET
path: "/stdcm/debug_data/{trace_id}"
tags: ["stdcm"]
---

# GET /stdcm/debug_data/{trace_id}

`GET /stdcm/debug_data/{trace_id}`

## Path parameters

- `trace_id` string, required

## Response `200`

- object
  - `failure` SimDebugFailureReport
    - `closest_conflicts` SimDebugConflictReport[], required
      - `at` string, date-time, required
      - `best_remaining_time` number, double, required
      - `current_travel_time` number, double, required
      - `lastOPName` string, nullable
      - `lat` number, double, required
      - `lon` number, double, required
      - `path_geometry` GeoJsonLineString
        - `coordinates` GeoJsonPointValue[], required
          - number[]
        - `type` 'LineString', required
      - `source` RequirementId
        - `id` string, required
        - `type` 'TRAIN' | 'WORK_SCHEDULE', required
      - `time_lost` number, double, required
    - `largest_conflicts` SimDebugConflictReport[], required
      - `at` string, date-time, required
      - `best_remaining_time` number, double, required
      - `current_travel_time` number, double, required
      - `lastOPName` string, nullable
      - `lat` number, double, required
      - `lon` number, double, required
      - `path_geometry` GeoJsonLineString
        - `coordinates` GeoJsonPointValue[], required
          - number[]
        - `type` 'LineString', required
      - `source` RequirementId
        - `id` string, required
        - `type` 'TRAIN' | 'WORK_SCHEDULE', required
      - `time_lost` number, double, required
  - `simulation_data` SimDebugData
    - `departure_time` string, date-time, required
    - `engineering_allowances_ranges` SimDebugEngineeringAllowanceRange[], required
      - `added_duration` number, double, required
      - `from` number, double, required
      - `to` number, double, required
    - `other_requirements` SimDebugTrainZoneRequirement[], required
      - `begin_time` number, double, required
      - `end_time` number, double, required
      - `source` RequirementId
        - `id` string, required
        - `type` 'TRAIN' | 'WORK_SCHEDULE', required
      - `zone_name` string, required
    - `path_properties` PathProperties, required — Properties along a path. Each property is optional since it depends on what the user requests.
      - `curves` object, required — Property f64 values along a path. Each value is associated to a range of the path.
        - `boundaries` integer[], required — List of `n` boundaries of the ranges. A boundary is a distance from the beginning of the path in mm.
        - `values` number[], required — List of `n+1` values associated to the ranges
      - `electrifications` object, required — Electrification property along a path. Each value is associated to a range of the path.
        - `boundaries` integer[], required — List of `n` boundaries of the ranges. A boundary is a distance from the beginning of the path in mm.
        - `values` union[], required — List of `n+1` values associated to the ranges
          - union
            - object — Electrified section with a given voltage
              - …
            - object — Neutral section with a lower pantograph instruction or just a dead section
              - …
            - object — Non electrified section
              - …
      - `geometry` GeoJsonLineString, required
        - `coordinates` GeoJsonPointValue[], required
          - number[]
        - `type` 'LineString', required
      - `operational_points` CoreOperationalPointOnPath[], required — Operational points along the path
        - `country_code` string, required
        - `id` string, required — Id of the operational point
        - `is_passenger_station` boolean, required
        - `main_code` string, required
        - `name` string, required
        - `part` OperationalPointPart, required
          - `extensions` OperationalPointPartExtension
            - `sncf` OperationalPointPartSncfExtension
              - …
          - `local_track_name` string, required
          - `position` number, double, required — Offset on the track section, in m
          - `track` string, required
        - `plc` string, nullable — Primary Location Code : https://rne.eu/it/products/ccs/crd/
        - `position` integer, required — Distance from the beginning of the path in mm
        - `secondary_code` string, nullable
        - `secondary_name` string, nullable
        - `uic` integer, nullable
        - `weight` integer, nullable, required — Importance of the operational point
      - `slopes` object, required — Property f64 values along a path. Each value is associated to a range of the path.
        - `boundaries` integer[], required — List of `n` boundaries of the ranges. A boundary is a distance from the beginning of the path in mm.
        - `values` number[], required — List of `n+1` values associated to the ranges
      - `zones` object, required — Zones along a path. Each value is associated to a range of the path.
        - `boundaries` integer[], required — List of `n` boundaries of the ranges. A boundary is a distance from the beginning of the path in mm.
        - `values` string[], required — List of `n+1` values associated to the ranges
    - `sim_output` SimulationResponseSuccess
      - `base` CoreReportTrain, required
        - `energy_consumption` number, double, required — Total energy consumption
        - `path_item_times` integer[], required — Time in ms of each path item given as input of the pathfinding The first value is always `0` (beginning of the path) and the last one, the total time of the simulation (end of the path)
        - `positions` integer[], required — List of positions of a train Both positions (in mm) and times (in ms) must have the same length
        - `speeds` number[], required — List of speeds associated to a position
        - `times` integer[], required
      - `electrical_profiles` object, required
        - `boundaries` integer[], required — List of `n` boundaries of the ranges (block path). A boundary is a distance from the beginning of the path in mm.
        - `values` union[], required — List of `n+1` values associated to the ranges
          - union
            - object
              - …
            - object
              - …
      - `final_output` object, required — Simulation that takes into account the regularity margins and the schedule item times
        - `energy_consumption` number, double, required — Total energy consumption
        - `path_item_times` integer[], required — Time in ms of each path item given as input of the pathfinding The first value is always `0` (beginning of the path) and the last one, the total time of the simulation (end of the path)
        - `positions` integer[], required — List of positions of a train Both positions (in mm) and times (in ms) must have the same length
        - `speeds` number[], required — List of speeds associated to a position
        - `times` integer[], required
        - `routing_requirements` CoreRoutingRequirement[], required
          - `begin_time` integer, required — Time in ms since a reference point that depends on which struct embeds this one: - in `TrainRequirements` & `TrainRequirementsById` (conflict detection & timetable requirements): a request-wide origin shared by all trains, `work_schedules` and the response (`1970-01-01T00:00:00Z` for calendar timetables, the timetable start for hourly ones); - in `CompleteReportTrain` (simulation results): the train's own `start_time`.
          - `route` string, required
          - `zones` CoreRoutingZoneRequirement[], required
            - `end_time` integer, required — Time in ms since a reference point that depends on which struct embeds this one: - in `TrainRequirements` & `TrainRequirementsById` (conflict detection & timetable requirements): a request-wide origin shared by all trains, `work_schedules` and the response (`1970-01-01T00:00:00Z` for calendar timetables, the timetable start for hourly ones); - in `CompleteReportTrain` (simulation results): the train's own `start_time`.
            - `entry_detector` string, required
            - `exit_detector` string, required
            - `switches` object, required
            - `zone` string, required
        - `signal_critical_positions` CoreSignalCriticalPosition[], required
          - `position` integer, required — Position in mm
          - `signal` string, required
          - `state` string, required
          - `time` integer, required — Time in ms
        - `spacing_requirements` CoreSpacingRequirement[], required
          - `begin_time` integer, required — Time in ms since a reference point that depends on which struct embeds this one: - in `TrainRequirements` & `TrainRequirementsById` (conflict detection & timetable requirements): a request-wide origin shared by all trains, `work_schedules` and the response (`1970-01-01T00:00:00Z` for calendar timetables, the timetable start for hourly ones); - in `CompleteReportTrain` (simulation results): the train's own `start_time`.
          - `end_time` integer, required — Time in ms: see begin_time
          - `zone` string, required
        - `zone_updates` CoreZoneUpdate[], required
          - `is_entry` boolean, required
          - `position` integer, required
          - `time` integer, required
          - `zone` string, required
      - `mrsp` object, required — A MRSP computation result (Most Restrictive Speed Profile)
        - `boundaries` integer[], required — List of `n` boundaries of the ranges (block path). A boundary is a distance from the beginning of the path in mm.
        - `values` object[], required — List of `n+1` values associated to the ranges
          - `source` union — source of the speed-limit if relevant (tag used)
            - object
              - …
            - object
              - …
            - object
              - …
          - `speed` number, double, required — in meters per second
      - `provisional` CoreReportTrain, required
        - `energy_consumption` number, double, required — Total energy consumption
        - `path_item_times` integer[], required — Time in ms of each path item given as input of the pathfinding The first value is always `0` (beginning of the path) and the last one, the total time of the simulation (end of the path)
        - `positions` integer[], required — List of positions of a train Both positions (in mm) and times (in ms) must have the same length
        - `speeds` number[], required — List of speeds associated to a position
        - `times` integer[], required
    - `train_positions` number[], required
    - `train_times` number[], required
    - `zone_locations` SimDebugZoneLocation[], required
      - `from` number, double, required
      - `name` string, required
      - `to` number, double, required

## Changes

- **2026-05-05** `1c296443ffe3` — 1 warning, 8 info
  - removed the optional property `simulation_data/oneOf[#/components/schemas/SimDebugData]/path_properties/operational_points/items/extensions` from the response with the `200` status
  - added the optional property `simulation_data/oneOf[#/components/schemas/SimDebugData]/path_properties/operational_points/items/plc` to the response with the `200` status
  - added the optional property `simulation_data/oneOf[#/components/schemas/SimDebugData]/path_properties/operational_points/items/secondary_code` to the response with the `200` status
  - added the optional property `simulation_data/oneOf[#/components/schemas/SimDebugData]/path_properties/operational_points/items/secondary_name` to the response with the `200` status
  - …5 more
- …earlier changes not shown

[Full history](https://skmtc.dev/openrailassociation/apis/osrd-editoast/changes/stdcm/debug_data/:trace_id/get.md)

---

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