getCommandPayload example

continue;
                }

                $operation = EntityWriteResult::OPERATION_UPDATE;
                if ($command instanceof InsertCommand) {
                    $operation = EntityWriteResult::OPERATION_INSERT;
                } elseif ($command instanceof DeleteCommand) {
                    $operation = EntityWriteResult::OPERATION_DELETE;
                }

                $payload = $this->getCommandPayload($command);
                $writeResults[$uniqueId] = new EntityWriteResult(
                    $primaryKey,
                    $payload,
                    $command->getDefinition()->getEntityName(),
                    $operation,
                    $command->getEntityExistence(),
                    $command instanceof ChangeSetAware ? $command->getChangeSet() : null
                );
            }

            /* * Updates for entities with attributes are split into two commands: an UpdateCommand and a JsonUpdateCommand. * We need to merge the payloads here. */