### 10 Technical Specification

This Method provides the capability to remove a Variable representing a link. The Method shall only succeed when the Variable to be deleted is referenced from the Object the Method is called on. Servers might restrict the execution of this Method to specific users / roles. Servers will typically reject the deletion of Nodes not added with the AddLink Method.

The signature of this Method is specified below. Table 32 and Table 33 specify the Arguments and AddressSpace representation, respectively.

Signature

RemoveLink (
[in]  0:NodeId       VariableToBeDeleted
);


Table 32 – RemoveLink Method Arguments

Argument Description
VariableToBeDeleted NodeId of the Variable containing a link, that should be deleted. Variable shall be referenced from the Object with a HasComponent Reference where the Method is called on.

Method Result Codes (defined in Call Service)

Result Code Description
Bad_UserAccessDenied See OPC 10000-4 for a general description.
Bad_InvalidArgument See OPC 10000-4 for a general description.