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

# Put v1businesses transactions attendees



## OpenAPI

````yaml /api-reference/openapi.json put /v1/businesses/{businessId}/transactions/{transactionId}/attendees
openapi: 3.0.4
info:
  title: Smartbills.API
  version: v1
servers:
  - url: https://api.smartbills.io
    description: Production
security: []
paths:
  /v1/businesses/{businessId}/transactions/{transactionId}/attendees:
    put:
      tags:
        - TransactionAttendees
      parameters:
        - name: businessId
          in: path
          required: true
          schema:
            type: integer
            format: int64
        - name: transactionId
          in: path
          required: true
          schema:
            type: integer
            format: int64
      requestBody:
        content:
          application/json:
            schema:
              $ref: >-
                #/components/schemas/TransactionsAttendeesTransactionAttendeesBatchRequest
          text/json:
            schema:
              $ref: >-
                #/components/schemas/TransactionsAttendeesTransactionAttendeesBatchRequest
          application/*+json:
            schema:
              $ref: >-
                #/components/schemas/TransactionsAttendeesTransactionAttendeesBatchRequest
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: >-
                    #/components/schemas/TransactionsAttendeesTransactionAttendeeResponse
        '400':
          description: Bad Request
components:
  schemas:
    TransactionsAttendeesTransactionAttendeesBatchRequest:
      type: object
      properties:
        transactionId:
          type: integer
          format: int64
        attendees:
          type: array
          items:
            $ref: '#/components/schemas/TransactionsAttendeesAttendeeItem'
          nullable: true
      additionalProperties: false
    TransactionsAttendeesTransactionAttendeeResponse:
      type: object
      properties:
        id:
          type: integer
          format: int64
        transactionId:
          type: integer
          format: int64
        attendeeType:
          type: string
          nullable: true
        attendeeId:
          type: integer
          format: int64
        attendeeName:
          type: string
          nullable: true
        attendeeEmail:
          type: string
          nullable: true
        createdAt:
          type: string
          format: date-time
      additionalProperties: false
    TransactionsAttendeesAttendeeItem:
      type: object
      properties:
        attendeeType:
          $ref: '#/components/schemas/ModelsTransactionsSBAttendeeType'
        attendeeId:
          type: integer
          format: int64
      additionalProperties: false
    ModelsTransactionsSBAttendeeType:
      enum:
        - EMPLOYEE
        - CUSTOMER
      type: string

````