# /api/v3/notifications/read_ian
---
post:
  summary: Read all notifications
  operationId: read_notifications
  tags:
    - Notifications
  description: |-
    Marks the whole notification collection as read. The collection contains only elements the authenticated user can
    see, and can be further reduced with filters.
  parameters:
    - name: filters
      in: query
      description: |-
        JSON specifying filter conditions.
        Accepts the same format as returned by the [queries](https://www.openproject.org/docs/api/endpoints/queries/)
        endpoint. Currently supported filters are:
        
        + id: Filter by primary key
        
        + project: Filter by the project the notification was created in
        
        + reason: Filter by the reason, e.g. 'mentioned' or 'assigned' the notification was created because of
        
        + resourceId: Filter by the id of the resource the notification was created for. Ideally used together with the
          `resourceType` filter.
        
        + resourceType: Filter by the type of the resource the notification was created for. Ideally used together with
          the `resourceId` filter.
      example: '[{ "reason": { "operator": "=", "values": ["mentioned"] } }]'
      required: false
      schema:
        type: string
  responses:
    '204':
      description: OK
    '400':
      description: Returned if the request is not properly formatted.
      content:
        application/hal+json:
          schema:
            $ref: '../components/schemas/error_response.yml'
          example:
            _type: Error
            errorIdentifier: urn:openproject-org:api:v3:errors:InvalidQuery
            message: 
              - Filters Invalid filter does not exist.