Returns a binary format that reads a record. The {0} parameter specifies the format of the record. Each field in the record ...

Returns a binary format that reads a record.  The {0} parameter specifies the format of the record.  Each field in the record can have a different binary format.  If a field contains a value that is not a binary format value, then no data is read for that field, and the field value is echoed to the result.