Cvent Registration Webhooks API

openapi: 3.0.2
info:
  title: Cvent Registration Webhooks API
  version: ea
  description: 'Registration-surface slice of the official Cvent REST APIs OpenAPI, filtered to the ''Hooks'' tag(s).

    Derived verbatim (operations, schemas, parameters and responses copied unchanged) from Cvent''s own published contract
    at https://github.com/cvent/rest-sdks/blob/main/cvent-public-spec/openapi.yaml — the spec Cvent generates its official
    TypeScript, Java and C# SDKs from.

    Full platform description, authentication, pagination, filtering, rate-limit and versioning narrative lives in openapi/_original/cvent-rest-apis-openapi.yaml.'
  contact:
    name: Cvent Development Platform
    url: https://developers.cvent.com/
servers:
- url: https://api-platform.cvent.com/ea
- url: https://api-platform-eur.cvent.com/ea
tags:
- name: Hooks
  description: 'These APIs allow you to create hooks. When triggered, a hook sends a request to your service to

    get updated data related to the related Cvent object.


    For more information on using hooks, see the

    [getting started guide](https://developers.cvent.com/docs/cid/attendee-identification-service).

    '
paths:
  /contacts/hooks:
    get:
      summary: List Contact Hooks
      description: Gets a list of contact hooks configured in your account.
      operationId: ListContactHooks
      tags:
      - Hooks
      security:
      - OAuth2.clientCredentials:
        - account/hooks:read
      - OAuth2.authorizationCode:
        - account/hooks:read
      parameters:
      - $ref: '#/components/parameters/after'
      - $ref: '#/components/parameters/before'
      - $ref: '#/components/parameters/limit'
      - $ref: '#/components/parameters/token'
      - name: filter
        in: query
        required: false
        description: "A filter query string narrows search results and supports the combination of logical and comparison\
          \ operators.\nThe filter adheres to the pattern filter='field' comparisonType 'value'.\n\nThere are two comparison\
          \ types that can be used in filter expressions:\n  * equal: eq\n  * not equal: ne\n  * greater than: gt\n  * greater\
          \ or equal: ge\n  * less than: lt\n  * less than or equal: le\n\nThe following fields are filterable:\n  * id (eq|ne)\n\
          \  * name (eq|ne)\n  * created (eq|ne|lt|le|gt|ge)\n  * lastModified (eq|ne|lt|le|gt|ge)\n\nThe following operators\
          \ are available:\n  * and\n  * or\n"
        schema:
          type: string
          example: id eq '04ca6ae2-0dc3-487b-953e-86d6abbdf7d3' and name ne 'sampleIntegration'
      responses:
        '200':
          $ref: '#/components/responses/HooksPaginatedResponse'
        '400':
          $ref: '#/components/responses/BadRequest1'
        '401':
          $ref: '#/components/responses/Unauthorized1'
        '403':
          $ref: '#/components/responses/Forbidden1'
        '429':
          $ref: '#/components/responses/TooManyRequests1'
      externalDocs:
        description: More about OAuth2 authorization code support for administrators
        url: '#oauth2-auth-code-planner-admin'
    post:
      summary: Create Contact Hook
      description: Creates a contact hook. Contact hooks have a callback URI pointing to your system where Cvent will request
        contact information.
      operationId: createContactHook
      tags:
      - Hooks
      security:
      - OAuth2.clientCredentials:
        - account/hooks:write
      - OAuth2.authorizationCode:
        - account/hooks:write
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/hook'
      responses:
        '201':
          $ref: '#/components/responses/HookCreated'
        '400':
          $ref: '#/components/responses/BadRequest1'
        '401':
          $ref: '#/components/responses/Unauthorized1'
        '403':
          $ref: '#/components/responses/Forbidden1'
        '429':
          $ref: '#/components/responses/TooManyRequests1'
      callbacks:
        contactTransaction:
          '{$request.body#/callback}':
            post:
              summary: Contact Transaction Callback
              description: 'This callback will be invoked on the URI you registered via <a href="#operation/contactHook">Create
                Contact Hook</a>.

                Cvent will send a message requesting details on the contact that triggered the callback. All the non-blank

                fields in your response will overwrite the related fields in Cvent.

                '
              operationId: contactTransactionCallback
              security:
              - CallbackApiKeyAuth: []
              - CallbackBasicAuth: []
              requestBody:
                content:
                  application/json:
                    schema:
                      $ref: '#/components/schemas/contact-transaction'
              responses:
                '200':
                  $ref: '#/components/responses/ContactFieldsResponse'
                '400':
                  description: Your server rejected the callback because of some issue with the data. We will not retry on
                    this response.
                '404':
                  description: Your server rejects the callback because the contact doesn't exist in your system. Our system
                    will not retry on this response.
                '429':
                  $ref: '#/components/responses/TooManyRequests1'
      externalDocs:
        description: More about OAuth2 authorization code support for administrators
        url: '#oauth2-auth-code-planner-admin'
  /contacts/hooks/{id}:
    put:
      summary: Update Contact Hook
      description: Update a contact hook's details, including its associated callback URI.
      operationId: updateContactHook
      tags:
      - Hooks
      security:
      - OAuth2.clientCredentials:
        - account/hooks:write
      - OAuth2.authorizationCode:
        - account/hooks:write
      parameters:
      - $ref: '#/components/parameters/id5'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/hook'
      responses:
        '200':
          $ref: '#/components/responses/HookUpdated'
        '400':
          $ref: '#/components/responses/BadRequest1'
        '401':
          $ref: '#/components/responses/Unauthorized1'
        '403':
          $ref: '#/components/responses/Forbidden1'
        '404':
          $ref: '#/components/responses/NotFound1'
        '429':
          $ref: '#/components/responses/TooManyRequests1'
      externalDocs:
        description: More about OAuth2 authorization code support for administrators
        url: '#oauth2-auth-code-planner-admin'
    delete:
      summary: Delete Contact Hook
      description: Delete a contact hook's details.
      operationId: deleteContactHook
      tags:
      - Hooks
      security:
      - OAuth2.clientCredentials:
        - account/hooks:delete
      - OAuth2.authorizationCode:
        - account/hooks:delete
      parameters:
      - $ref: '#/components/parameters/id5'
      responses:
        '204':
          description: Successfully deleted contact hook details.
        '401':
          $ref: '#/components/responses/Unauthorized1'
        '403':
          $ref: '#/components/responses/Forbidden1'
        '404':
          $ref: '#/components/responses/NotFound1'
        '429':
          $ref: '#/components/responses/TooManyRequests1'
      externalDocs:
        description: More about OAuth2 authorization code support for administrators
        url: '#oauth2-auth-code-planner-admin'
components:
  parameters:
    after:
      name: after
      required: false
      description: Used to query records that have been added or updated after this time point. Default to the beginning of
        time of the data store.
      in: query
      schema:
        type: string
        format: date-time
        example: '2017-01-02T02:00:00Z'
    before:
      name: before
      required: false
      in: query
      description: Used to query records that have been added or updated before this time point.
      schema:
        type: string
        format: date-time
        example: '2017-01-02T02:00:00Z'
    id5:
      in: path
      name: id
      required: true
      description: Unique ID of the contact hook.
      schema:
        $ref: '#/components/schemas/uuid-property'
    limit:
      name: limit
      in: query
      description: The maximum number of records to return per page.
      style: form
      explode: true
      schema:
        maximum: 200
        minimum: 1
        type: integer
        default: 100
        example: 100
    token:
      name: token
      in: query
      description: 'The continuation token returned from a previous class. This must be a valid UUID v4 if provided.

        This will override any other pageable parameters provided.

        '
      style: form
      explode: true
      schema:
        type: string
        example: 0e28af57-511f-47ab-ae46-46cd1ca51a1a
  responses:
    BadRequest1:
      description: Bad request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            code: 400
            message: Bad Request
    ContactFieldsResponse:
      description: Your server returns this structure on a successful callback with the updated values for contact fields
        present in your system.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/contact-fields'
    Forbidden1:
      description: You do not have access to the resource
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            code: 403
            message: Access Forbidden
    HookCreated:
      description: Successfully created a contact hook.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/hook'
    HookUpdated:
      description: Successfully updated a contact hook.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/hook'
    HooksPaginatedResponse:
      description: Successfully retrieved a list of contact hooks and their details.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/hooks-paginated-response'
    NotFound1:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            code: 404
            message: Not found
    TooManyRequests1:
      description: Too many requests
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            code: 429
            message: Limit Exceeded
    Unauthorized1:
      description: Bad or expired token
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            code: 401
            message: Unauthorized
  schemas:
    ErrorResponse:
      title: ErrorResponse
      description: Represents an error response with additional details of cascading error messages.
      allOf:
      - $ref: '#/components/schemas/ErrorResponseBase'
      type: object
      required:
      - code
      - message
      properties:
        details:
          type: array
          items:
            $ref: '#/components/schemas/ErrorResponseBase'
          description: Additional details of cascading error messages.
    ErrorResponseBase:
      title: ErrorResponseBase
      type: object
      description: Represents an error response with no additional details.
      required:
      - code
      - message
      properties:
        code:
          type: integer
          description: The HTTP status code representing the error.
          example: 400
        message:
          type: string
          description: A brief description of the error.
          example: Bad Request
        target:
          type: string
          description: The target resource of the error.
          example: example target
    contact-field.json:
      title: Contact Field
      description: Contains contact data. For example, a User's email address.
      type: object
      required:
      - id
      - name
      - maximumLength
      - type
      properties:
        id:
          title: Readonly UUID Property
          description: The unique ID of the field supported by Cvent.
          type: string
          format: uuid
          readOnly: true
        name:
          type: string
          description: The name of the field.
          example: Email Address
        maximumLength:
          type: integer
          description: The maximum length allowed for a value.
          example: 80
        type:
          type: string
          description: The type of the field.
          enum:
          - String
          - Integer
          - Decimal
          - Double
          - DateTime
          - SingleChoice
          - MultiChoice
          example: String
        value:
          type: array
          items:
            type: string
            example: johndoe@cvent.com
          description: The value(s) of the field.
    contact-fields:
      title: Contact Fields
      description: An array of standard contact fields supported by Cvent.
      required:
      - data
      type: object
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/contact-field.json'
          description: Collection of standard contact fields.
    contact-transaction:
      title: Contact Transaction
      description: A changeset of contact fields.
      required:
      - transactionId
      type: object
      allOf:
      - title: Contact Fields
        description: An array of standard contact fields supported by Cvent.
        required:
        - data
        type: object
        properties:
          data:
            type: array
            items:
              $ref: '#/components/schemas/contact-field.json'
            description: Collection of standard contact fields.
      properties:
        transactionId:
          title: Readonly UUID Property
          description: A unique id corresponding to the contact transaction callback made to fetch contact information.
          type: string
          format: uuid
          readOnly: true
          example: 04ca6ae2-0dc3-487b-953e-86d6abbdf7d3
    hook:
      title: Hook
      description: A hook with a callback URI.
      type: object
      required:
      - name
      - callback
      - security
      allOf:
      - title: Audit
        description: Audit information
        type: object
        properties:
          created:
            type: string
            format: date-time
            description: The ISO 8601 zoned date time when this record was created.
            readOnly: true
            example: '2017-01-02T02:00:00Z'
          createdBy:
            type: string
            description: The identifier of the user that created this record.
            readOnly: true
            example: hporter
          lastModified:
            type: string
            format: date-time
            description: The ISO 8601 zoned date time when this record was updated.
            readOnly: true
            example: '2019-02-12T03:00:00Z'
          lastModifiedBy:
            type: string
            description: The identifier of the user that last updated this record.
            readOnly: true
            example: hporter
      properties:
        id:
          type: string
          description: The unique ID representing the hook
          format: uuid
          readOnly: true
          example: 3b2359a7-4583-40ed-8afd-67e5f15373d3
        name:
          type: string
          description: Name of the contact hook.
          example: Attendee Identification
          minLength: 1
          maxLength: 100
        callback:
          type: string
          format: uri
          description: A client hosted callback URI to which callback would be invoked. TLS is mandatory. Callback URL should
            not contain any confidential information such as API keys or login credentials.
          example: https://myserver.com/send/callback/here
          minLength: 1
          maxLength: 300
        security:
          $ref: '#/components/schemas/hook-security.json'
    hook-security.json:
      title: Hook Security
      description: Describe security for a web hook callback. Each option corresponds to an Authorization header variant.
      type: object
      oneOf:
      - title: API Key Authentication
        description: API Key Authentication.
        type: object
        required:
        - secret
        allOf:
        - title: Authorization Header
          description: Authorization header support characterizing the authentication type to be used for callbacks to the
            client system.
          type: object
          required:
          - type
          properties:
            type:
              type: string
              enum:
              - apiKey
              - basic
              title: Authorization Header Type
              description: Authorization header support characterizing the authentication type to be used for callbacks to
                the client system. API Key, or HTTP Basic Authentication, each configured with a corresponding option.
              example: apiKey
        properties:
          secret:
            type: string
            title: API Key Value
            description: An API key to be included in callback requests.
            writeOnly: true
            example: 2b3cc2bf083ff11206ce6b2f3ee09591
            maxLength: 300
          authHeaderKey:
            type: string
            title: Authorization Header Key
            description: The header key for which API Key will be sent in callback requests. If this field is not set, the
              API key is sent in the 'Authorization' header.
            example: x-api-key
            minLength: 1
            default: Authorization
          apiKeyPrefix:
            type: boolean
            title: API Key Prefix
            description: Whether API Key Value is prefixed by 'api_key'. When set to true, the authorization header's value
              in callback requests will be 'api_key 2b3cc2bf083ff11206ce6b2f3ee09591'
            example: true
            default: true
      - title: Basic Authentication
        description: HTTP Basic Authentication via Authorization header.
        type: object
        required:
        - secret
        allOf:
        - $ref: '#/components/schemas/hook-security.json/oneOf/0/allOf/0'
        properties:
          secret:
            type: string
            title: Basic Auth Credentials
            description: Base64 encoded Basic Authentication credentials.
            writeOnly: true
            example: ZGVtbzpwQDU1dzByZA==
            maxLength: 300
    hooks-paginated-response:
      title: HooksPaginatedResponse
      description: The response from a request to get the list of hooks with a callback URI. This includes the paging object
        as well as the collection of hooks.
      type: object
      required:
      - paging
      - data
      properties:
        paging:
          $ref: '#/components/schemas/paging.json'
        data:
          type: array
          items:
            $ref: '#/components/schemas/hook'
          description: Collection of contact hooks.
    link.json:
      title: Link
      required:
      - href
      type: object
      description: Represents a link to a related resource.
      properties:
        href:
          type: string
          description: A url provided that can be followed for linking
          example: ?token=90c5f062-76ad-4ea4-aa53-00eb698d9262
    pagination-links.json:
      title: PaginationLinks
      type: object
      description: Represents pagination links for navigating between pages of data.
      properties:
        next:
          $ref: '#/components/schemas/link.json'
        self:
          $ref: '#/components/schemas/link.json'
        prev:
          $ref: '#/components/schemas/link.json'
    paging.json:
      title: Paging
      required:
      - _links
      type: object
      description: Represents pagination information for a collection of resources.
      properties:
        previousToken:
          type: string
          description: The pagination token for the previous page, if one exists. You can use this token to navigate to the
            previous page of data.
          example: 1a2b3c4d5e6f7g8h9i10j11k
        nextToken:
          type: string
          description: The pagination token for the next page. If this value is present in the response, there is another
            page of data you can fetch.
          example: 1a2b3c4d5e6f7g8h9i10j11k
        currentToken:
          type: string
          description: The pagination token for the current page.
          example: 1a2b3c4d5e6f7g8h9i10j11k
        limit:
          type: integer
          description: The number of records to return on the page. Not to exceed 200.
          example: 100
        totalCount:
          type: integer
          description: The total number of records available. This field may return blank, even if there are more records.
            To confirm if there are more records, check the `nextToken` field.
          example: 2
        _links:
          $ref: '#/components/schemas/pagination-links.json'
    uuid-property:
      title: UUID Property
      description: A string that has to be a format matching the industry standard uuid
      type: string
      format: uuid
      example: 04ca6ae2-0dc3-487b-953e-86d6abbdf7d3
  securitySchemes:
    OAuth2.authorizationCode:
      type: oauth2
      description: OAuth2 Authorization Code Flow.
      flows:
        authorizationCode:
          authorizationUrl: https://api-platform.cvent.com/ea/oauth2/authorize
          tokenUrl: https://api-platform.cvent.com/ea/oauth2/token
          scopes:
            account/hooks:delete: Allows the deletion of hooks.
            account/hooks:read: Allows the reading of hooks.
            account/hooks:write: Allows the creation/updation of hooks.
            account/user-groups:delete: Allows deletion for user groups
            account/user-groups:read: Allows the reading of user groups
            account/user-groups:write: Allows the writing of user groups
            account/users:delete: Allows the deletion of User
            account/users:read: Allows the reading of User, User Group
            account/users:write: Allows the creation/updating of User
            appointments/appointment-attendees:read: Allows the reading of appointment attendees and their related entities.
            appointments/appointment-events:read: Allows the reading of appointment events and their related entities.
            appointments/appointment-types:read: Allows the reading of appointment types and their related entities.
            appointments/appointments:read: Allows the reading of appointment and their related entities.
            appointments/appointments:write: Allows the writing of appointments and their related entities.
            appointments/available-times:read: Allows the reading of available times.
            appointments/locations:read: Allows the reading of appointment locations and their related entities.
            attendee-insights/attendee-insights:read: Allows the reading of engagement scores (attendee insights).
            attendee-insights/scores:read: Allows the reading of scores.
            attendee-insights/stats:read: Allows the reading of engagement score (attendee insight) stats.
            budget/budget-items:delete: Allows the deletion of budget items
            budget/budget-items:read: Allows the reading of all budget items
            budget/budget-items:write: Allows creation/updation of budget item
            budget/budget-totals:read: Allows the reading of all event budget totals
            budget/budget-vendors:read: Allows reading of account-level budget vendors.
            budget/cards:read: Allows the reading of cards
            budget/currency-conversion-rate:delete: Allows deletion of currency conversion rate for currency.
            budget/currency-conversion-rate:read: Allows reading of currency conversion rate for currency.
            budget/currency-conversion-rate:write: Allows creation/update of currency conversion rate for currency.
            budget/payments:delete: Allows deletion of payments.
            budget/payments:read: Allows reading of payment for budget item.
            budget/payments:write: Allows creation of payment in a budget item.
            budget/transactions:delete: Allows delete card transactions.
            budget/transactions:read: Allows the reading of all card's transactions
            budget/transactions:write: Allows creation of card transactions.
            business-transient/bids:read: Allows the reading of BT Bid data
            business-transient/proposals:read: Allows the reading of BT Proposal data
            business-travel/bids:read: Allows the reading of BT Bid data
            business-travel/proposals:read: Allows the reading of BT Proposal data
            compliance/communications:read: Allows the reading of communication compliance
            compliance/communications:write: Allows the writing of communication compliance
            email/bounces:read: Allow the reading of email bounces.
            email/email-status:read: Allows the reading of email statuses.
            email/emails:read: Allows the reading of emails.
            eMarketing/campaigns:read: Allows the reading of campaigns.
            emarketing/emarketing-email-status:read: Allows the reading of eMarketing email statuses.
            eMarketing/eMarketing-email-templates:read: Allows the reading of email-templates.
            eMarketing/eMarketing-send-emails:write: Allows the writing of eMarketing emails.
            event/admission-items:read: Allows the reading of admission items
            event/air-request:read: Allow reading the air request or air actual detail for attendees.
            event/alternate-travel:read: Allow reading the alternate travel answers for attendees.
            event/attendance-durations:read: Allows the read of Duration records
            event/attendee-activities-metadata:delete: Allows the deletion of attendees activities metadata.
            event/attendee-activities-metadata:read: Allows the reading of attendee activities metadata.
            event/attendee-activities-metadata:write: Allows the creation/updating of attendees activities metadata.
            event/attendee-activities:read: Allows the reading of attendee activities.
            event/attendee-activities:write: Allows the writing of attendee activities.
            event/attendee-credits:read: Allows the reading of attendee credits.
            event/attendee-links:delete: Allows the deletion of attendee links
            event/attendee-links:read: Allows the reading of attendee links
            event/attendee-links:write: Allows the creation of attendee links
            event/attendee-messages:read: Allows the reading of attendee messages
            event/attendees:read: Allows the reading of attendees.
            event/attendees:write: Allows the creation of an attendee in an event.
            event/audience-segments:read: Allows the reading of audience segments.
            event/audience-segments:write: Allows the creation/updating/deletion of audience segments.
            event/contact-groups:read: Allows the reading of contact groups.
            event/contact-groups:write: Allows the creation/updating of contact groups.
            event/contact-types:read: Allows the reading of contact types.
            event/contacts:delete: Allows the deletion of contacts.
            event/contacts:read: Allows the reading of contacts.
            event/contacts:write: Allows the creation/updating of contacts.
            event/contacts:write-sensitive: Allows the creation/updating of sensitive data related to contacts.
            event/custom-fields:read: Allows the reading of custom fields
            event/custom-fields:write: Allows the writing of custom fields
            event/discounts:write: Allows the writing of discounts
            event/donation-items:read: Allows the reading of donation items.
            event/event-discounts:read: Allows the reading of event discounts.
            event/event-discounts:write: Allows the writing of event discounts.
            event/event-email-status:read: Allows the reading of event email statuses.
            event/event-emails:read: Allows the reading of event emails
            event/event-emails:write: Allows to send event emails.
            event/event-features:read: Allows the reading of events-features
            event/event-features:write: Allows updating the event-features
            event/event-user-groups:read: Allows the reading of user groups
            event/event-user-groups:write: Allows associating/disassociating user groups to event
            event/events:read: Allows the reading of events
            event/events:write: Allows the creation/updating of events
            event/fee-items:read: Allows the reading of fee items.
            event/hotel-request:read: Allow reading the hotel request or housing reservation request detail for attendees.
            event/invitation-lists:read: Allows the reading of the invitation lists for an event
            event/meeting-request-forms:read: Allows the reading of meeting request forms.
            event/meeting-requests:read: Allows the reading of meeting requests.
            event/meeting-requests:write: Allows the creation/updating of meeting requests.
            event/membership-items:read: Allows reading of membership items.
            event/orders:read: Allows the reading of orders
            event/planning-documents:read: Allows the reading of event planning documents
            event/players:read: Allows the reading of players
            event/process-form-submissions:read: Allows the reading of process form submissions.
            event/program-items:delete: Allows deletion of session program items
            event/program-items:read: Allows reading of session program items
            event/program-items:write: Allows writing of session program items
            event/quantity-items:read: Allows the reading of quantity items.
            event/quantity-items:write: Allows the writing of quantity items
            event/registration-paths:read: Allows the reading of registration paths
            event/registration-types:read: Allows the reading of registration types
            event/registration-types:write: Allows the writing of registration types
            event/role-assignments:read: Allows the reading of event role assignment.
            event/session-attendance:read: Allows the reading of sessions attendance
            event/session-attendance:write: Allows the creation/updating of sessions attendance
            event/session-categories:read: Allows reading of session categories
            event/session-categories:write: Allows writing of session categories
            event/session-enrollment:delete: Allows the deletion of session registrations
            event/session-enrollment:read: Allows the reading of sessions registrations
            event/session-enrollment:write: Allows the writing of sessions registrations
            event/session-segments:read: Allows reading of session segments
            event/sessions:delete: Allows the deletion of a session in an event
            event/sessions:read: Allows the reading of sessions
            event/sessions:write: Allows the creation of a session in an event
            event/speaker-categories:read: Allows reading of speaker categories
            event/speaker-categories:write: Allows writing of speaker categories
            event/speakers:delete: Allows the deletion of a speaker in an event
            event/speakers:read: Allows the reading of speakers
            event/speakers:write: Allows the creation of a speaker in an event
            event/taxes:read: Allows the reading of taxes.
            event/transactions:read: Allows the reading of trans

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# Full source: https://raw.githubusercontent.com/api-evangelist/cvent-registration/refs/heads/main/openapi/cvent-registration-webhooks-api-openapi.yml