%ingest_file
{
*"path": str
*"format": "csv" | "xlsx"
"encoding": str # mandatory for csv
"delimiter": str # mandatory for csv
*"history": "replace" | "insert" | "snapshot" # default: replace
"db_date": str
"db_date_end": str
"instances": [%instance] # instance schema from dataset model
"features": [%feature] # feature schema from dataset model
}