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

# Unarchive a JavaScript SDK core extension

> Restores a previously archived extended core and re-inserts it into the SDK core loader. Returns the restored extended core. Returns `404 extended_core_not_found` if the id does not exist.



## OpenAPI

````yaml /api-reference/management-expert.json post /v1/extended-cores/{extendedCoreId}/unarchive
openapi: 3.0.1
info:
  description: >-
    Advanced configuration endpoints for Extole platform experts: campaign
    controllers, typed actions and triggers, advanced component types and
    facets, source mapping, report post-handlers, pre-handlers, and other expert
    configuration surfaces not included in the standard Management API.
  title: Management Expert API
  version: '1.0'
servers:
  - description: Production
    url: https://api.extole.io
security:
  - HEADER: []
  - QUERY: []
  - COOKIE: []
tags:
  - name: Authentication
  - name: Campaign Controllers
  - name: Campaign Controllers Actions
  - name: Campaign Controllers Triggers
  - name: Campaign Flow Steps
  - name: Components
  - name: Components Grants
  - name: Components Subscriptions
  - name: Components Types
  - name: Content
  - name: Debug
  - name: Domains
  - name: Email
  - name: Event Prehandlers
  - name: Events
  - name: Javascript Core Extensions
  - name: Persons
  - name: Profiles
  - name: Report Schedules
  - name: Report Types
  - name: Reporting
  - name: Security Keys
  - name: Settings
paths:
  /v1/extended-cores/{extendedCoreId}/unarchive:
    post:
      tags:
        - Javascript Core Extensions
      summary: Unarchive a JavaScript SDK core extension
      description: >-
        Restores a previously archived extended core and re-inserts it into the
        SDK core loader. Returns the restored extended core. Returns `404
        extended_core_not_found` if the id does not exist.
      operationId: unarchiveExtendedCore
      parameters:
        - description: The id of the extended core to be unarchived.
          in: path
          name: extendedCoreId
          required: true
          schema:
            type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ExtendedCoreResponse'
          description: Restored JavaScript SDK core extension source definition.
        '400':
          content:
            application/json:
              examples:
                binding_error:
                  $ref: '#/components/examples/binding_error'
                invalid_json:
                  $ref: '#/components/examples/invalid_json'
                invalid_parameter:
                  $ref: '#/components/examples/invalid_parameter'
                missing_request_body:
                  $ref: '#/components/examples/missing_request_body'
              schema:
                $ref: '#/components/schemas/RestExceptionResponse'
          description: Bad Request
        '401':
          content:
            application/json:
              examples:
                method_unauthorized:
                  $ref: '#/components/examples/method_unauthorized'
              schema:
                $ref: '#/components/schemas/RestExceptionResponse'
          description: Unauthorized
        '402':
          content:
            application/json:
              examples:
                payment_required:
                  $ref: '#/components/examples/payment_required'
              schema:
                $ref: '#/components/schemas/RestExceptionResponse'
          description: Payment Required
        '403':
          content:
            application/json:
              examples:
                access_denied:
                  $ref: '#/components/examples/access_denied'
                method_unauthorized:
                  $ref: '#/components/examples/method_unauthorized'
                missing_access_token:
                  $ref: '#/components/examples/missing_access_token'
              schema:
                $ref: '#/components/schemas/RestExceptionResponse'
          description: Forbidden
        '404':
          content:
            application/json:
              examples:
                extended_core_not_found:
                  $ref: '#/components/examples/extended_core_not_found'
          description: >-
            Extended core was not found. The supplied id does not match any
            extended core accessible to the calling client.
        '415':
          content:
            application/json:
              examples:
                unsupported_media_type:
                  $ref: '#/components/examples/unsupported_media_type'
              schema:
                $ref: '#/components/schemas/RestExceptionResponse'
          description: Unsupported Media Type
        '429':
          content:
            application/json:
              examples:
                too_many_requests:
                  $ref: '#/components/examples/too_many_requests'
              schema:
                $ref: '#/components/schemas/RestExceptionResponse'
          description: Too Many Requests
components:
  schemas:
    ExtendedCoreResponse:
      description: >-
        JavaScript SDK core extension source definition with build-time
        expressions.
      properties:
        component_ids:
          items:
            type: string
          type: array
        component_references:
          items:
            $ref: '#/components/schemas/ComponentReferenceResponse'
          type: array
        created_date:
          $ref: '#/components/schemas/ZonedDateTime'
        enabled:
          $ref: '#/components/schemas/EnabledInExtendedCoreResponse'
        id:
          description: Unique identifier for the JavaScript SDK core extension.
          readOnly: true
          type: string
        source_code:
          $ref: '#/components/schemas/SourceCodeInExtendedCoreResponse'
        updated_date:
          $ref: '#/components/schemas/ZonedDateTime'
      required:
        - component_ids
        - component_references
        - created_date
        - enabled
        - id
        - source_code
        - updated_date
      type: object
    RestExceptionResponse:
      description: Represents the API error response
      properties:
        code:
          description: Specific error code for this error type, documented per endpoint
          type: string
        http_status_code:
          description: >-
            HTTP status code that was returned with this error, useful if client
            get response code
          format: int32
          type: integer
        message:
          description: User readable English description of the error
          type: string
        parameters:
          additionalProperties:
            description: >-
              Attributes related to the error, varies be error code, documented
              per endpoint
            type: object
          description: >-
            Attributes related to the error, varies be error code, documented
            per endpoint
          type: object
        unique_id:
          description: >-
            Unique id associated with this error, useful for discussions with
            Extole
          type: string
      required:
        - code
        - http_status_code
        - message
        - parameters
        - unique_id
      type: object
    ComponentReferenceResponse:
      properties:
        component_id:
          type: string
        socket_names:
          items:
            type: string
          type: array
      type: object
    ZonedDateTime:
      description: >-
        [RFC 3339](https://datatracker.ietf.org/doc/html/rfc3339#section-5.6) or
        [RFC 9557](https://datatracker.ietf.org/doc/html/rfc9557#section-4)
        date-time with a numeric [UTC
        offset](https://datatracker.ietf.org/doc/html/rfc3339#section-5.6) and
        an optional [IANA
        time-zone](https://datatracker.ietf.org/doc/html/rfc9557#section-4)
        suffix in square brackets. Precision up to milliseconds.
      example: '2025-10-24T02:00:00-07:00'
      pattern: >-
        ^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d{1,3})?(Z|[+-](?:[01][0-9]|2[0-3]):[0-5][0-9])(\[[^\]]+\])?$
      type: string
    EnabledInExtendedCoreResponse:
      description: Build-time expression that controls whether the extension is active.
      oneOf:
        - description: Literal enabled
          title: Static Value
          type: boolean
        - description: >-
            Handlebars expression with
            [ExtendedCoreBuildtimeContext](https://github.com/extole/extole-specification/blob/main/openapi/expression-context/com/extole/api/extended/core/built/ExtendedCoreBuildtimeContext.d.ts).
          example: handlebars@buildtime:{{enabled}}
          externalDocs:
            description: ExtendedCoreBuildtimeContext
            url: >-
              https://github.com/extole/extole-specification/blob/main/openapi/expression-context/com/extole/api/extended/core/built/ExtendedCoreBuildtimeContext.d.ts
          pattern: ^handlebars@buildtime:.*
          title: Buildtime - Handlebars
          type: string
        - description: >-
            Javascript expression with
            [ExtendedCoreBuildtimeContext](https://github.com/extole/extole-specification/blob/main/openapi/expression-context/com/extole/api/extended/core/built/ExtendedCoreBuildtimeContext.d.ts).
          example: >-
            javascript@buildtime:function() { return
            context.getVariableContext().get('enabled');}
          externalDocs:
            description: ExtendedCoreBuildtimeContext
            url: >-
              https://github.com/extole/extole-specification/blob/main/openapi/expression-context/com/extole/api/extended/core/built/ExtendedCoreBuildtimeContext.d.ts
          pattern: ^javascript@buildtime:.*
          title: Buildtime - Javascript
          type: string
    SourceCodeInExtendedCoreResponse:
      description: >-
        Build-time expression that resolves to the JavaScript source code
        injected into the SDK.
      oneOf:
        - allOf:
            - type: string
            - not:
                anyOf:
                  - pattern: ^handlebars@buildtime:.*
                    type: string
                  - pattern: ^javascript@buildtime:.*
                    type: string
              type: string
          description: Literal source code
          title: Static Value
        - description: >-
            Handlebars expression with
            [ExtendedCoreBuildtimeContext](https://github.com/extole/extole-specification/blob/main/openapi/expression-context/com/extole/api/extended/core/built/ExtendedCoreBuildtimeContext.d.ts).
          example: handlebars@buildtime:{{sourceCode}}
          externalDocs:
            description: ExtendedCoreBuildtimeContext
            url: >-
              https://github.com/extole/extole-specification/blob/main/openapi/expression-context/com/extole/api/extended/core/built/ExtendedCoreBuildtimeContext.d.ts
          pattern: ^handlebars@buildtime:.*
          title: Buildtime - Handlebars
          type: string
        - description: >-
            Javascript expression with
            [ExtendedCoreBuildtimeContext](https://github.com/extole/extole-specification/blob/main/openapi/expression-context/com/extole/api/extended/core/built/ExtendedCoreBuildtimeContext.d.ts).
          example: >-
            javascript@buildtime:function() { return
            context.getVariableContext().get('sourceCode');}
          externalDocs:
            description: ExtendedCoreBuildtimeContext
            url: >-
              https://github.com/extole/extole-specification/blob/main/openapi/expression-context/com/extole/api/extended/core/built/ExtendedCoreBuildtimeContext.d.ts
          pattern: ^javascript@buildtime:.*
          title: Buildtime - Javascript
          type: string
  examples:
    binding_error:
      summary: binding_error
      value:
        code: binding_error
        http_status_code: 400
        message: Argument is not of the expected type
        parameters: {}
        unique_id: 00000000-0000-0000-0000-000000000000
    invalid_json:
      summary: invalid_json
      value:
        code: invalid_json
        http_status_code: 400
        message: JSON is invalid
        parameters: {}
        unique_id: 00000000-0000-0000-0000-000000000000
    invalid_parameter:
      summary: invalid_parameter
      value:
        code: invalid_parameter
        http_status_code: 400
        message: Parameter is invalid.
        parameters: {}
        unique_id: 00000000-0000-0000-0000-000000000000
    missing_request_body:
      summary: missing_request_body
      value:
        code: missing_request_body
        http_status_code: 400
        message: Missing request body
        parameters: {}
        unique_id: 00000000-0000-0000-0000-000000000000
    method_unauthorized:
      summary: method_unauthorized
      value:
        code: method_unauthorized
        http_status_code: 401
        message: Unauthorized access to this endpoint
        parameters: {}
        unique_id: 00000000-0000-0000-0000-000000000000
    payment_required:
      summary: payment_required
      value:
        code: payment_required
        http_status_code: 402
        message: The access_token provided is associated with an unpaid account.
        parameters: {}
        unique_id: 00000000-0000-0000-0000-000000000000
    access_denied:
      summary: access_denied
      value:
        code: access_denied
        http_status_code: 403
        message: >-
          The access_token provided is not permitted to access the specified
          resource.
        parameters: {}
        unique_id: 00000000-0000-0000-0000-000000000000
    missing_access_token:
      summary: missing_access_token
      value:
        code: missing_access_token
        http_status_code: 403
        message: No access_token was provided with this request.
        parameters: {}
        unique_id: 00000000-0000-0000-0000-000000000000
    extended_core_not_found:
      summary: extended_core_not_found
      value:
        code: extended_core_not_found
        http_status_code: 404
        message: Extended core not found
        parameters: {}
        unique_id: 00000000-0000-0000-0000-000000000000
    unsupported_media_type:
      summary: unsupported_media_type
      value:
        code: unsupported_media_type
        http_status_code: 415
        message: Request had an unsupported or no media type
        parameters: {}
        unique_id: 00000000-0000-0000-0000-000000000000
    too_many_requests:
      summary: too_many_requests
      value:
        code: too_many_requests
        http_status_code: 429
        message: >-
          The server is unable to process your request at the moment, please
          retry later.
        parameters: {}
        unique_id: 00000000-0000-0000-0000-000000000000
  securitySchemes:
    HEADER:
      in: header
      name: Authorization
      type: apiKey
      x-bearer-format: bearer
    QUERY:
      in: query
      name: access_token
      type: apiKey
    COOKIE:
      in: cookie
      name: extole_token
      type: apiKey

````