calendar-bundle/src/Picker/EventPickerProvider.php
public function getDcaAttributes(PickerConfig $config): array
    {
        $attributes = ['fieldType' => 'radio'];

        if ($source = $config->getExtra('source')) {
            $attributes['preserveRecord'] = $source;
        }

        if ($this->supportsValue($config)) {
            $attributes['value'] = str_replace(['{{event_url::', '}}'], '', $config->getValue());
        }

        return $attributes;
    }
public function getDcaAttributes(PickerConfig $config): array
    {
        $attributes = ['fieldType' => 'radio'];

        if ($source = $config->getExtra('source')) {
            $attributes['preserveRecord'] = $source;
        }

        if ($this->supportsValue($config)) {
            $attributes['value'] = str_replace(['{{event_url::', '}}'], '', $config->getValue());
        }

        return $attributes;
    }
{@inheritdoc}