system.db.runSFPrepUpdate(query, args, datasources)
String query - A query (typically an UPDATE, INSERT, or DELETE) to run as a prepared statement, with placeholders (?) denoting where the arguments go.
Object args - A list of arguments. Will be used in order to match each placeholder (?) found in the query.
String datasources - List of datasources to run the query through.
boolean - Returns true if successfully sent to store-and-forward system.