[Jacko4237]

Hello,
For send the books on my Kobo reader, I would like format the title in this form :
{pubdate}_{Title}
For Example : 2024-04_Title

This my formule :
format_date_field(raw_field('pubdate'),'yyyy-MM')_{title}

But the field 'pubdate' is not change in yyy-MM

Can you help me.

Thanks you