# VERSION
-version 0.903
+version 0.906
# SYNOPSIS
## comment
-A text string associated with the database. Often unset.
+A text string associated with the database stored unencrypted in the file header. Often unset.
## cipher\_id
## transform\_rounds
The number of rounds or iterations used in the key derivation function. Increasing this number makes loading
-and saving the database slower by design in order to make dictionary and brute force attacks more costly.
+and saving the database slower in order to make dictionary and brute force attacks more costly.
## encryption\_iv
$kdbx->add_entry(%entry_attributes, %options);
```
-Add a entry to a database. This is equivalent to identifying a parent group and calling
+Add an entry to a database. This is equivalent to identifying a parent group and calling
["add\_entry" in File::KDBX::Group](https://metacpan.org/pod/File%3A%3AKDBX%3A%3AGroup#add_entry) on the parent group, forwarding the arguments. Available options:
- `group` - Group object or group UUID to add the entry to (default: root group)
- `max_items` - Maximum number of historical entries to keep (default: value of ["history\_max\_items"](#history_max_items), no limit: -1)
- `max_size` - Maximum total size (in bytes) of historical entries to keep (default: value of ["history\_max\_size"](#history_max_size), no limit: -1)
-- `max_age` - Maximum age (in days) of historical entries to keep (default: 365, no limit: -1)
+- `max_age` - Maximum age (in days) of historical entries to keep (default: value of ["maintenance\_history\_days"](#maintenance_history_days), no limit: -1)
## randomize\_seeds
- ["transform\_seed"](#transform_seed)
Randomizing these values has no effect on a loaded database. These are only used when a database is dumped.
-You normally do not need to call this method explicitly because the dumper does it explicitly by default.
+You normally do not need to call this method explicitly because the dumper does it for you by default.
## key
generate strong keys.
The KDBX format allows for the key derivation function to be tuned. The idea is that you want each single
-brute-foce attempt to be expensive (in terms of time, CPU usage or memory usage), so that making a lot of
+brute-force attempt to be expensive (in terms of time, CPU usage or memory usage), so that making a lot of
attempts (which would be required if you have a strong master key) gets _really_ expensive.
How expensive you want to make each attempt is up to you and can depend on the application.
It helps to read it right-to-left, like "usage\_count is greater than or equal to 5".
-If you find the disambiguating structures to be distracting or confusing, you can also the
+If you find the disambiguating structures to be distracting or confusing, you can also use the
["simple\_expression\_query" in File::KDBX::Util](https://metacpan.org/pod/File%3A%3AKDBX%3A%3AUtil#simple_expression_query) function as a more intuitive alternative. The following example is
equivalent to the previous:
Note: ["ICON\_SMARTPHONE" in File::KDBX::Constants](https://metacpan.org/pod/File%3A%3AKDBX%3A%3AConstants#ICON_SMARTPHONE) is just a constant from [File::KDBX::Constants](https://metacpan.org/pod/File%3A%3AKDBX%3A%3AConstants). It isn't
special to this example or to queries generally. We could have just used a literal number.
-The important thing to notice here is how we wrapped the condition in another arrayref with a single key-value
+The important thing to notice here is how we wrapped the condition in another hashref with a single key-value
pair where the key is the name of an operator and the value is the thing to match against. The supported
operators are: