Resource type: relation

With this API call you can delete a relation. The parent ID and the child ID of the relation to be deleted have to be specified as parameters. See here for more information on relations and which kind of relations exist. Many relations cannot be deleted.


  • parentid
    INTEGER. parent ID (e.g. address ID, estate ID, appointment ID)
  • childid
    INTEGER. child ID e.g. address ID, estate ID, appointment ID)
  • relationtype
    STRING. Description of the link. Important relation types in enterprise:

      • 'urn:onoffice-de-ns:smart:2.5:relationTypes:estate:address:interested' An estate is assigned to the address of an interested party.
      • 'urn:onoffice-de-ns:smart:2.5:relationTypes:estate:estateUnit' A base object is assigned estate units.
      • 'urn:onoffice-de-ns:smart:2.5:relationTypes:calendar:address' An appointment is linked to an address.
      • 'urn:onoffice-de-ns:smart:2.5:relationTypes:calendar:estate' An appointment is linked to an estate.
      • 'urn:onoffice-de-ns:smart:2.5:relationTypes:agentsLog:file:attachment' An agents log entry is assigned a file attachment.
      • Buyer: 'urn:onoffice-de-ns:smart:2.5:relationTypes:estate:address:buyer'
      • Tenant: 'urn:onoffice-de-ns:smart:2.5:relationTypes:estate:address:renter'
      • Owner: 'urn:onoffice-de-ns:smart:2.5:relationTypes:estate:address:owner'
      • Contact person(only brokers): 'urn:onoffice-de-ns:smart:2.5:relationTypes:estate:address:contactPerson'
      • All contact persons: 'urn:onoffice-de-ns:smart:2.5:relationTypes:estate:address:contactPersonAll'
      • onOffice sync: 'urn:onoffice-de-ns:smart:2.5:relationTypes:address:user:sync'

    Removes the checkmark from the field outlookSync for this address for the specified user.


Example: Delete a relation / unlink an address from an appointment

    "actionid": "urn:onoffice-de-ns:smart:2.5:smartml:action:delete",
    "resourceid": "",
    "identifier": "",
    "resourcetype": "relation",
    "parameters": {
        "relationtype": "urn:onoffice-de-ns:smart:2.5:relationTypes:calendar:address",
        "parentid": 671,
        "childid": 153

If successful, the response is success.