> ## 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.

# Set User Defined Page One Field

> Sets a user defined fields as page one field.

NsApiSlow threshold: 5000 ms.



## OpenAPI

````yaml /openapi/agent/openapi-v3-UserDefinedFieldInfoAgent.json post /api/v1/Agents/UserDefinedFieldInfo/SetUserDefinedPageOneField
openapi: 3.0.0
info:
  version: v1-Agents
  title: SuperOffice Agent API v1
  description: SuperOffice Agent API - UserDefinedFieldInfoAgent
  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/Agents/UserDefinedFieldInfo/SetUserDefinedPageOneField:
    post:
      tags:
        - UserDefinedFieldInfo_Agent
      summary: Set User Defined Page One Field
      description: |-
        Sets a user defined fields as page one field.

        NsApiSlow threshold: 5000 ms.
      operationId: v1UserDefinedFieldInfoAgent_SetUserDefinedPageOneField
      parameters:
        - name: $select
          in: query
          description: >-
            Optional comma separated list of properties to include in the
            result. Other fields are then nulled out to reduce payload size:
            "Name,department,category". Default = show all fields.
          required: false
          schema:
            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
      requestBody:
        content:
          application/json:
            schema:
              $ref: >-
                #/components/schemas/SuperOffice.WebApi.v1.Carriers.UserDefinedFieldInfoCarriers.SetUserDefinedPageOneFieldRequest
          text/json:
            schema:
              $ref: >-
                #/components/schemas/SuperOffice.WebApi.v1.Carriers.UserDefinedFieldInfoCarriers.SetUserDefinedPageOneFieldRequest
          application/xml:
            schema:
              $ref: >-
                #/components/schemas/SuperOffice.WebApi.v1.Carriers.UserDefinedFieldInfoCarriers.SetUserDefinedPageOneFieldRequest
          text/xml:
            schema:
              $ref: >-
                #/components/schemas/SuperOffice.WebApi.v1.Carriers.UserDefinedFieldInfoCarriers.SetUserDefinedPageOneFieldRequest
          application/x-www-form-urlencoded:
            schema:
              $ref: >-
                #/components/schemas/SuperOffice.WebApi.v1.Carriers.UserDefinedFieldInfoCarriers.SetUserDefinedPageOneFieldRequest
          application/json-patch+json:
            schema:
              $ref: >-
                #/components/schemas/SuperOffice.WebApi.v1.Carriers.UserDefinedFieldInfoCarriers.SetUserDefinedPageOneFieldRequest
          application/merge-patch+json:
            schema:
              $ref: >-
                #/components/schemas/SuperOffice.WebApi.v1.Carriers.UserDefinedFieldInfoCarriers.SetUserDefinedPageOneFieldRequest
        description: OwnerType, UdefFieldId, UserGroupId, FieldLineNo
        required: true
      responses:
        '204':
          description: No Content
      security:
        - SuperOffice_Password: []
          SuperId_Authentication: []
components:
  schemas:
    SuperOffice.WebApi.v1.Carriers.UserDefinedFieldInfoCarriers.SetUserDefinedPageOneFieldRequest:
      description: >-
        SetUserDefinedPageOneField: Sets a user defined fields as page one
        field.
      type: object
      properties:
        OwnerType:
          enum:
            - Invalid
            - Contact
            - Person
            - Project
            - Sale
            - Temp
            - Appointment
            - Document
            - None
          type: string
        UdefFieldId:
          format: int32
          type: integer
        UserGroupId:
          format: int32
          type: integer
        FieldLineNo:
          format: int32
          type: integer

````

## Related topics

- [SuperOffice.WebApi.Data.UserDefinedFieldInfo SetUserDefinedPageOneFieldRequest](/en/api/reference/webapi/SuperOffice.WebApi.Data.UserDefinedFieldInfo_SetUserDefinedPageOneFieldRequest.md)
- [NSUserDefinedFieldInfoAgent](/en/automation/crmscript/reference/CRMScript.NetServer.NSUserDefinedFieldInfoAgent.md)
- [SuperOffice.WebApi.Agents.UserDefinedFieldInfoAgent](/en/api/reference/webapi/SuperOffice.WebApi.Agents.UserDefinedFieldInfoAgent.md)
- [SuperOffice.WebApi.Agents.IUserDefinedFieldInfoAgent](/en/api/reference/webapi/SuperOffice.WebApi.Agents.IUserDefinedFieldInfoAgent.md)
- [Set Page One Field Grouping](/en/api/reference/restful/agent/userdefinedfieldinfo_agent/set-page-one-field-grouping.md)
- [Get User Defined Page One Fields](/en/api/reference/restful/agent/userdefinedfieldinfo_agent/get-user-defined-page-one-fields.md)