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