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