In case the YTSCustomMessage found by the where argument doesn't exist, create a new YTSCustomMessage with this data.
Optionalinclude?: YTSCustomMessageInclude<ExtArgs> | nullChoose, which related nodes to fetch as well
Optionalomit?: YTSCustomMessageOmit<ExtArgs> | nullOmit specific fields from the YTSCustomMessage
Optionalselect?: YTSCustomMessageSelect<ExtArgs> | nullSelect specific fields to fetch from the YTSCustomMessage
In case the YTSCustomMessage was found with the provided where argument, update it with this data.
The filter to search for the YTSCustomMessage to update in case it exists.
YTSCustomMessage upsert