public virtual signal bool handle_call (string method, Variant id, Variant? @params)
This signal is emitted when an RPC has been received from the peer we are connected to.
Return true if you have handled this message, even asynchronously. If no handler has returned true an error will be synthesized.
Additionally, since 3.28 you may connect to the "detail" of this signal to handle a specific method call. Use the method name as the detail of the signal.
the method name
The "id" field of the JSONRPC message
The "params" field of the JSONRPC message