Web Service Method: Update a Relation Property for a Resource

19/03/2026

Description
Use this API call to update a relation property from a resource.

URL: /PoolParty/api/editor/{project}/updateRelation

Supported Methods
POST

application/json

Parameter	Comment	Type	Required
editor	The editor's URI.	IRI JSON representation of an IRI object.	true

Parameter

Comment

Type

Required

editor

The editor's URI.

IRI

JSON representation of an IRI object.

true

Attribute	Type	Comment
`uri`	String	The string value of the URI. URIs must contain a colon ':' and must not contain any whitespaces.

{
  "uri" : "https://semantic-web.com/api/uri#5233"
}

Attribute	Type	Comment
context	String	URI of the mutable graph in which the source exists.
predicate	String	URI of a relation property
subject	String	URI of source
value	CustomValue	URI of target resource.

{
  "predicate" : "some predicate",
  "subject" : "https://semantic-web.com/api/subject#22780",
  "context" : "some context",
  "value" : "some value"
}

In this section: