Action: Update Merge Request

GitLab Operation

The Update Merge Request action modifies an existing merge request, such as updating its description, title, or assigned reviewers.

Example User Story

I want to add test results and screenshots to my merge request so reviewers have all the details needed for approval.

Fields

Field Name	Field Type	Required
projectId	Integer	Yes
mergeRequestIid	Integer	Yes
title	String	No
description	String	No
stateEvent	String	No

Related Connections

GitLab

Related Automations

Example link

Code (Apache v2.0): Operation

{
  "handle": "update-merge-request",
  "state": "inDev",
  "meta": {
    "short": "Update Merge Request",
    "description": "Updates an existing merge request in GitLab."
  },
  "input": [
    {
      "name": "projectId",
      "type": "Integer",
      "required": true,
      "meta": {
        "description": "The ID of the project."
      }
    },
    {
      "name": "mergeRequestIid",
      "type": "Integer",
      "required": true,
      "meta": {
        "description": "The IID of the merge request."
      }
    },
    {
      "name": "title",
      "type": "String",
      "required": false,
      "meta": {
        "description": "The title of the merge request."
      }
    },
    {
      "name": "description",
      "type": "String",
      "required": false,
      "meta": {
        "description": "The description of the merge request."
      }
    },
    {
      "name": "stateEvent",
      "type": "String",
      "required": false,
      "meta": {
        "description": "The state event of the merge request (e.g., 'close', 'reopen')."
      }
    }
  ],
  "output": [
    {
      "name": "mergeRequest",
      "type": "Object",
      "selector": ["merge_request"],
      "meta": {
        "description": "The updated merge request object."
      }
    }
  ],
  "steps": [
    {
      "type": "http",
      "http": {
        "method": "PUT",
        "path": "/projects/{{projectId}}/merge_requests/{{mergeRequestIid}}",
        "headers": {
          "Content-Type": "application/json",
          "PRIVATE-TOKEN": "{{.gitlabToken}}"
        },
        "bodyTemplate": {
          "value": "{\"title\": \"{{title}}\", \"description\": \"{{description}}\", \"state_event\": \"{{stateEvent}}\"}",
          "placeholders": [
            {
              "name": "title",
              "type": "String",
              "description": "The title of the merge request.",
              "required": false
            },
            {
              "name": "description",
              "type": "String",
              "description": "The description of the merge request.",
              "required": false
            },
            {
              "name": "stateEvent",
              "type": "String",
              "description": "The state event of the merge request.",
              "required": false
            }
          ]
        }
      }
    }
  ]
}