# Plagiarism Detection Submissions

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## Plagiarism Detection Submissions API

**LTI API for Plagiarism Detection Submissions (Must use** [**JWT access tokens**](/services/canvas/external-tools/plagiarism-detection-platform/file.jwt_access_tokens.md) **with this API).**

**A Submission object looks like:**

```js
{
  "lti_course_id": "66157096483e6b3a50bfedc6bac902c0b20a8241",
  "course_id": 10000000000060,
  // The submission's assignment id
  "assignment_id": 23,
  // This is the submission attempt number.
  "attempt": 1,
  // The content of the submission, if it was submitted directly in a text field.
  "body": "There are three factors too...",
  // The types of submission ex:
  // ('online_text_entry'|'online_url'|'online_upload'|'media_recording'|'student_
  // annotation')
  "submission_type": "online_text_entry",
  // The timestamp when the assignment was submitted
  "submitted_at": "2012-01-01T01:00:00Z",
  // The URL of the submission (for 'online_url' submissions).
  "url": null,
  // The id of the user who created the submission
  "user_id": 134,
  // UTC timestamp showing when the user agreed to the EULA (if given by the tool
  // provider)
  "eula_agreement_timestamp": "1508250487578",
  // The current state of the submission
  "workflow_state": "submitted",
  // Files that are attached to the submission
  "attachments": null
}
```

**A File object looks like:**

```js
{
  "size": 4,
  "content-type": "text/plain",
  "url": "http://www.example.com/files/569/download?download_frd=1",
  "id": 569,
  "display_name": "file.txt",
  "created_at": "2012-07-06T14:58:50Z",
  "updated_at": "2012-07-06T14:58:50Z"
}
```

### [Get a single submission](#method.lti/submissions_api.show) <a href="#method.lti-submissions_api.show" id="method.lti-submissions_api.show"></a>

[Lti::SubmissionsApiController#show](https://github.com/instructure/canvas-lms/blob/master/app/controllers/lti/submissions_api_controller.rb)

**`GET /api/lti/assignments/:assignment_id/submissions/:submission_id`**

**Scope:** `url:GET|/api/lti/assignments/:assignment_id/submissions/:submission_id`

Get a single submission, based on submission id.

### [Get the history of a single submission](#method.lti/submissions_api.history) <a href="#method.lti-submissions_api.history" id="method.lti-submissions_api.history"></a>

[Lti::SubmissionsApiController#history](https://github.com/instructure/canvas-lms/blob/master/app/controllers/lti/submissions_api_controller.rb)

**`GET /api/lti/assignments/:assignment_id/submissions/:submission_id/history`**

**Scope:** `url:GET|/api/lti/assignments/:assignment_id/submissions/:submission_id/history`

Get a list of all attempts made for a submission, based on submission id.

***

This documentation is generated directly from the Canvas LMS source code, available [on Github](https://github.com/instructure/canvas-lms).


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