Help Center/ CodeArts Repo/ API Reference/ APIs/ V4/ Discussion/ Obtaining Merge Request Review Comments Based on discussion_id

Updated on 2026-01-27 GMT+08:00

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Obtaining Merge Request Review Comments Based on discussion_id

Function

This API is used to obtain merge request review comments based on discussion_id.

Debugging

You can debug this API through automatic authentication in API Explorer or use the SDK sample code generated by API Explorer.

Authorization Information

Each account root user has all the permissions required to call all APIs, but IAM users must be assigned the following required identity policy-based permissions. For details about the required permissions, see Permissions Policies and Supported Actions.

Action	Access Level	Resource Type (*: required)	Condition Key	Alias	Dependencies
codeartsrepo:repository:getMergeRequest	Read	-	-	-	-

URI

GET https://{hostURL}/v4/repositories/{repository_id}/merge-requests/{merge_request_iid}/discussions/{discussion_id}

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
repository_id	Yes	Integer	Definition You can query the project list to obtain the repository ID by calling the API used to query user's all repositories. Constraints N/A Default Value N/A Value range: 1~2147483647
merge_request_iid	Yes	Integer	Definition MR internal ID (IID). Value range: 1~2147483647
discussion_id	Yes	String	Definition Review comment ID, which is shared by the main comment and replies. Range String length: 40 characters.

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	Definition User token. Obtain one by calling the IAM API Obtaining a User Token. The value of X-Subject-Token in the response header is a token. Constraints N/A Range 1–100,000 characters. Default Value N/A

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
id	String	Definition Review comment ID, which is shared by the main comment and replies.
individual_note	Boolean	Definition Personal review comments (no need to be resolved).
notes	Array of NoteDto objects	Definition Comment list (main comment and replies).
repository_id	Integer	Definition Repository ID. Value range: 1~2147483647
noteable_type	String	Definition: Comment type Value range: MergeRequest: review comments submitted under a merge request Commit: review comments submitted under a code page or commit record Enumeration values: MergeRequest Commit
commit_id	String	Definition Commit record ID.
repository_full_path	String	Definition Repository path.
a_mode	String	Definition Old permission for the file (default value: 100644).
b_mode	String	Definition New permission for the file (default value: 100644)
deleted_file	Boolean	Definition Deleted file or not.
new_file	Boolean	Definition New file or not.
resolved	Boolean	Definition Resolved or not.
archived	Boolean	Definition Archived or not.
review_categories	String	Definition Comment type key.
review_categories_cn	String	Definition Comment type (CN).
review_categories_en	String	Definition Comment type.
review_modules	String	Definition Comment module.
severity	String	Definition: Severity key Value range: suggestion: suggestion minor: minor major: major fatal: fatal Enumeration values: suggestion minor major fatal
severity_cn	String	Definition: Severity (CN) Value range: Suggestion Minor Major Critical
severity_en	String	Definition: Severity (EN) Value range: Suggestion: suggestion Minor: minor major: major fatal: fatal Enumeration values: Suggestion Minor Major Fatal
assignee	UserBasicDto object	Definition Assignee.
proposer	UserBasicDto object	Definition Reviewer.
merge_request_version_params	MergeRequestVersionParamsDto object	Definition MR version information.
diff_file	String	Definition Code snippets with review comments on the change request (CR) page.
added_lines	Integer	Definition Number of new lines in the file that contains review comments. Value range: 0~2147483647
removed_lines	Integer	Definition Number of deleted lines in the file that contains review comments. Value range: 0~2147483647

**Table 4** NoteDto
Parameter	Type	Description
id	Integer	Definition Comment ID, which is not shared by the main comment and replies. Value range: 1~2147483647
type	String	Definition: Review types Value range: DiscussionNote: comment on the associated code line to be resolved DiffNote: general null: common comment
body	String	Definition Comment content.
attachment	String	Definition Attachment (deprecated).
author	UserBasicDto object	Definition Comment author.
created_at	String	Definition Creation time.
updated_at	String	Definition Update time.
system	Boolean	Definition Added by the system or not.
noteable_id	Integer	Definition MR ID or issue ID. Value range: 1~2147483647
noteable_type	String	Definition: Comment type Value range: MergeRequest: review comments submitted in a merge request Commit: review comments submitted on a code page or commit record Enumeration values: MergeRequest Commit
commit_id	String	Definition Commit record ID.
resolvable	Boolean	Definition Whether need to be resolved.
is_reply	Boolean	Definition Reply or not.
resolved_by	UserBasicDto object	Definition Solver.
noteable_iid	Integer	Definition MR IID or issue IID. Value range: 1~2147483647
discussion_id	String	Definition Review comment ID, which is shared by the main comment and replies.
repository	String	Definition Repository path.
diff_file	String	Definition Name of the file that contains the associated code lines.
diff	String	Definition Code snippet associated with the lines of code.
archived	Boolean	Definition Archived or not.
review_categories	String	Definition Comment type key.
review_categories_cn	String	Definition Comment type name (CN).
review_categories_en	String	Definition MR version information.
review_modules	String	Definition MR version information.
severity	String	Definition Severity key. Enumeration values: suggestion minor major fatal
severity_cn	String	Definition Severity (CN). Constraints Suggestion Minor Major Critical
severity_en	String	Definition Severity. Enumeration values: Suggestion Minor Major Fatal
file_path	String	Definition File path (deprecated).
line	String	Definition Line number (deprecated).
assignee	UserBasicDto object	Definition Assignee.
proposer	UserBasicDto object	Definition Reviewer.
position	PositionDto object	Definition Associated code line location information.
resolved	Boolean	Definition Resolved or not.
is_outdated	Boolean	Definition Expired or not.
moderation_result	Boolean	Definition Content approving result.
moderation_time	Long	Definition Content approving time.
moderation_status	Integer	Definition Content approving status.

**Table 5** PositionDto
Parameter	Type	Description
base_sha	String	Definition Basic SHA value.
start_sha	String	Definition Start SHA value.
head_sha	String	Definition Latest SHA value.
old_path	String	Definition Old file path.
new_path	String	Definition New file path.
position_type	String	Definition File type.
old_line	Integer	Definition Old file line No.
new_line	Integer	Definition New file line No.

**Table 6** UserBasicDto
Parameter	Type	Description
id	Integer	Definition User ID. Value range: 1~2147483647
name	String	Definition Username.
username	String	Definition Username.
state	String	Definition: User status Value range: active: available account blocked: locked user error: The user is not found Enumeration values: active blocked error
service_license_status	Integer	Service-level permission status. 0: disabled; 1: enabled
avatar_url	String	User profile picture URL
avatar_path	String	User profile picture path
email	String	User email
name_cn	String	Username (CN)
web_url	String	User homepage
nick_name	String	User alias
tenant_name	String	Tenant name
error_message	String	Definition When some query APIs detect that the user permission in the transfer parameter is insufficient or the user does not exist, the user is returned but the field is not empty for information.

**Table 7** MergeRequestVersionParamsDto
Parameter	Type	Description
diff_id	Integer	Definition Version ID (composed of the MR ID and SHA value).
start_sha	String	Definition Start SHA value.
commit_id	String	Definition Commit record ID.

Status code: 401

**Table 8** Response body parameters
Parameter	Type	Description
error_code	String	Definition Error code.
error_msg	String	Definition Error message.

Example Requests

None

Example Responses

Status code: 200

{
  "id" : "3da6d31d0b3d426de6b183d604de50b6b972d87c",
  "individual_note" : false,
  "notes" : [ {
    "id" : 1399939,
    "type" : "DiffNote",
    "body" : "test",
    "author" : {
      "id" : 1130646,
      "name" : "example_name",
      "username" : "7806db92698840d794a70e53e1295cb7",
      "state" : "active",
      "avatar_url" : null,
      "email" : "7806db92698840d794a70e53e1295cb7@example.com",
      "name_cn" : "example_name",
      "web_url" : "https://example.com/7806db92698840d794a70e53e1295cb7",
      "nick_name" : "example_name",
      "tenant_name" : "example_name"
    },
    "created_at" : "2025-01-06T14:54:43.000+08:00",
    "updated_at" : "2025-01-06T14:54:43.000+08:00",
    "system" : false,
    "noteable_id" : 1242586,
    "noteable_type" : "MergeRequest",
    "resolvable" : true,
    "is_reply" : false,
    "noteable_iid" : 1,
    "discussion_id" : "3da6d31d0b3d426de6b183d604de50b6b972d87c",
    "repository" : "07c8683c4bb0445393c5eab0ea354003/mr_test",
    "diff_file" : "README.md",
    "diff" : "@@ -20 +11 @@\\n\\\\ No newline at end of file\\n+# mr_test\\n",
    "archived" : false,
    "review_categories_cn" : null,
    "review_categories_en" : null,
    "severity" : "suggestion",
    "severity_cn" : "Suggestion",
    "severity_en" : "Suggestion",
    "assignee" : {
      "id" : 1130646,
      "name" : "example_name",
      "username" : "7806db92698840d794a70e53e1295cb7",
      "state" : "active",
      "avatar_url" : null,
      "email" : "7806db92698840d794a70e53e1295cb7@example.com",
      "name_cn" : "example_name",
      "web_url" : "https://example.com/7806db92698840d794a70e53e1295cb7",
      "nick_name" : "example_name",
      "tenant_name" : "example_name"
    },
    "proposer" : {
      "id" : 1130646,
      "name" : "example_name",
      "username" : "7806db92698840d794a70e53e1295cb7",
      "state" : "active",
      "avatar_url" : null,
      "email" : "7806db92698840d794a70e53e1295cb7@example.com",
      "name_cn" : "example_name",
      "web_url" : "https://example.com/7806db92698840d794a70e53e1295cb7",
      "nick_name" : "example_name",
      "tenant_name" : "example_name"
    },
    "position" : {
      "base_sha" : "cdb34fb2431d57aaf6701b4026425acde1d8a84c",
      "start_sha" : "cdb34fb2431d57aaf6701b4026425acde1d8a84c",
      "head_sha" : "2032553aab2bbe1855687885da9165412b3fa3a4",
      "old_path" : "README.md",
      "new_path" : "README.md",
      "position_type" : "text",
      "new_line" : 1
    },
    "resolved" : false,
    "is_outdated" : false,
    "moderation_result" : true,
    "moderation_time" : 1736146483268,
    "moderation_status" : 0
  } ],
  "repository_id" : 2663641,
  "noteable_type" : "MergeRequest",
  "repository_full_path" : "07c8683c4bb0445393c5eab0ea354003/mr_test",
  "a_mode" : 100644,
  "b_mode" : 100644,
  "deleted_file" : false,
  "new_file" : false,
  "resolved" : false,
  "archived" : false,
  "review_categories_cn" : null,
  "review_categories_en" : null,
  "severity" : "suggestion",
  "severity_cn" : "Suggestion",
  "severity_en" : "Suggestion",
  "assignee" : {
    "id" : 1130646,
    "name" : "example_name",
    "username" : "7806db92698840d794a70e53e1295cb7",
    "state" : "active",
    "avatar_url" : null,
    "email" : "7806db92698840d794a70e53e1295cb7@example.com",
    "name_cn" : "example_name",
    "web_url" : "https://example.com/7806db92698840d794a70e53e1295cb7",
    "nick_name" : "example_name",
    "tenant_name" : "example_name"
  },
  "proposer" : {
    "id" : 1130646,
    "name" : "example_name",
    "username" : "7806db92698840d794a70e53e1295cb7",
    "state" : "active",
    "avatar_url" : null,
    "email" : "7806db92698840d794a70e53e1295cb7@example.com",
    "name_cn" : "example_name",
    "web_url" : "https://example.com/7806db92698840d794a70e53e1295cb7",
    "nick_name" : "example_name",
    "tenant_name" : "example_name"
  },
  "merge_request_version_params" : { },
  "diff_file" : "@@ -20 +11 @@\\n\\\\ No newline at end of file\\n+# mr_test\\n",
  "added_lines" : 1,
  "removed_lines" : 1
}

Status code: 401

Unauthorized

{
  "error_code" : "DEV.00000003",
  "error_msg" : "Authentication information expired."
}

Status Codes

Status Code	Description
200	OK
401	Unauthorized

Error Codes

See Error Codes.

Parent topic: Discussion

Previous topic: Discussion

Next topic: Updating Information Except Comments in the Merge Request's Review Comments

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