# Delete relations

Delete relations from a storage.

Endpoint: POST /v4/storages/{storageId}/relations/delete
Version: 5
Security: apiKey

## Path parameters:

  - `storageId` (string, required)
    Unique identifier of the Storage.
    Example: "72d6900fce6b326088f5d9d91049e3e6"

## Request fields (application/json):

  - `relations` (array)
    List of relations to delete.

  - `relations.startNode` (object, required)
    Unique identifiers for Business Partner in the relation

  - `relations.startNode.externalId` (string)
    Arbitrary identifier type to mark customer IDs that are "external" from CDQ's perspective. This is the identifier a customer provides to identify its records.
    Example: "The ID managed in the customer's SAP systems."

  - `relations.startNode.dataSourceId` (string)
    Unique identifier for a Data Source of the Storage.
    Example: "648824a691d8d2503d65103e"

  - `relations.endNode` (object)
    Unique identifiers for Business Partner in the relation

  - `relations.type` (string)
    Technical Key of the Business Partner Relation Type.
    Example: "COMMERCIAL_ULTIMATE"

  - `relations.class` (object)
    Provides information about the classification of the relation that is to be deleted.

  - `relations.class.technicalKey` (string)
    Technical Key of the Business Partner Relation Class.
    Example: "BUSINESS_PARTNER_RELATION_CLASS_CDQ_HIERARCHY"

## Response 200 fields (application/json):

  - `deleted` (integer)
    Number of deleted relations.
    Example: "10"