ReadonlyidUnique identifier for correlating requests with responses.
ReadonlyoperationName of the registered operation to invoke.
ReadonlyparametersArbitrary key/value parameters forwarded to the operation handler.
ReadonlyshapesBREP-serialized input shapes.
ReadonlytypeDiscriminant indicating the kind of request.
Request to execute a named CAD operation inside the worker.
Remarks
Shapes are transferred as BREP-serialized strings, not as live OpenCascade handles, because handles cannot cross the worker boundary.