FluidTYPO3\Flux\Hooks\WizardItemsHookSubscriber::getAreaNameAndParentFromRelativeRecordOrDefaults PHP Method

    protected function getAreaNameAndParentFromRelativeRecordOrDefaults($relativeUid)
    {
        $fluxAreaName = NULL;
        $parentRecordUid = 0;
        $defaultValues = $this->getDefaultValues();
        if (0 > $relativeUid) {
            // pasting after another element means we should try to resolve the Flux content relation
            // from that element instead of GET parameters (clicked: "create new" icon after other element)
            $parentRecord = $this->recordService->getSingle('tt_content', '*', abs($relativeUid));
            $fluxAreaName = (string) $parentRecord['tx_flux_column'];
            $parentRecordUid = (int) $parentRecord['tx_flux_parent'];
        } elseif (TRUE === isset($defaultValues['tx_flux_column'])) {
            // attempt to read the target Flux content area from GET parameters (clicked: "create new" icon
            // in top of nested Flux content area
            $fluxAreaName = (string) $defaultValues['tx_flux_column'];
            $parentRecordUid = (int) $defaultValues['tx_flux_parent'];
        }
        return array($parentRecordUid, $fluxAreaName);
    }