> ## Documentation Index
> Fetch the complete documentation index at: https://docs.superoffice.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Undo Checkout Document

> Undo (abandon) a checkout



## OpenAPI

````yaml /openapi/rest/openapi-v3-Document.json delete /api/v1/Document/{documentId}/Lock
openapi: 3.0.0
info:
  version: v1-REST
  title: SuperOffice REST API v1
  description: SuperOffice REST API - Document
  contact:
    name: SuperOffice DevNet
    url: https://docs.superoffice.com/en/api/index.html
    email: sdk@superoffice.com
servers:
  - url: http://localhost:56350
  - url: https://localhost:56350
security: []
tags: []
externalDocs:
  description: >-
    The SuperOffice DevNet Community has more documentation, examples, and
    discussion forums.
  url: https://community.superoffice.com/en/developer/
paths:
  /api/v1/Document/{documentId}/Lock:
    delete:
      tags:
        - Document
      summary: Undo Checkout Document
      description: Undo (abandon) a checkout
      operationId: v1DocumentEntity_UndoCheckoutDocument
      parameters:
        - name: documentId
          in: path
          description: SuperOffice document ID
          required: true
          schema:
            format: int32
            type: integer
        - name: allowedReturnTypes
          in: query
          description: >-
            List of return types that the client is prepared to handle, in case
            the document plugin needs to request additional
            processing.<br/>Standard allowed return types include 'None',
            'Message', 'SoProtocol', 'CustomGui', 'Other'.<br/>An empty array
            implies that the client places no restriction on possible return
            action requests.
          required: false
          explode: true
          schema:
            type: array
            items:
              type: string
        - name: SO-AppToken
          in: header
          description: >-
            The application token that identifies the partner app. Used when
            calling Online WebAPI from a server.
          required: false
          schema:
            type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SuperOffice.CRM.ReturnInfo'
            text/json:
              schema:
                $ref: '#/components/schemas/SuperOffice.CRM.ReturnInfo'
            application/xml:
              schema:
                $ref: '#/components/schemas/SuperOffice.CRM.ReturnInfo'
            text/xml:
              schema:
                $ref: '#/components/schemas/SuperOffice.CRM.ReturnInfo'
            application/json-patch+json:
              schema:
                $ref: '#/components/schemas/SuperOffice.CRM.ReturnInfo'
            application/merge-patch+json:
              schema:
                $ref: '#/components/schemas/SuperOffice.CRM.ReturnInfo'
      security:
        - SuperOffice_Password: []
          SuperId_Authentication: []
components:
  schemas:
    SuperOffice.CRM.ReturnInfo:
      type: object
      properties:
        ExternalReference:
          type: string
        VersionId:
          type: string
        Success:
          type: boolean
        Type:
          enum:
            - None
            - Message
            - SoProtocol
            - CustomGui
            - Other
            - URL
          type: string
        Value:
          type: string
        AdditionalInfo:
          type: string

````

## Related topics

- [Undo Checkout Document](/en/api/reference/restful/agent/document_agent/undo-checkout-document.md)
- [SuperOffice.WebApi.Data.Document UndoCheckoutDocumentRequest](/en/api/reference/webapi/SuperOffice.WebApi.Data.Document_UndoCheckoutDocumentRequest.md)
- [NSDocumentAgent](/en/automation/crmscript/reference/CRMScript.NetServer.NSDocumentAgent.md)
- [SuperOffice.WebApi.Agents.DocumentAgent](/en/api/reference/webapi/SuperOffice.WebApi.Agents.DocumentAgent.md)
- [SuperOffice.WebApi.Agents.IDocumentAgent](/en/api/reference/webapi/SuperOffice.WebApi.Agents.IDocumentAgent.md)
- [Checkout Document](/en/api/reference/restful/rest/document/checkout-document.md)