diff --git a/docs/config-ref.md b/docs/config-ref.md
index 7b1214c..661418b 100644
--- a/docs/config-ref.md
+++ b/docs/config-ref.md
@@ -68,10 +68,18 @@ definition. Apart from `sort_by` no other option requires referencing of this id
 | `prefix`               | string   |   optional    | to be applied _before_ all cell contents 
 | `suffix`               | string   |   optional    | to be appended _after_ all cell contents
 | `multi_delimiter`      | string   |   optional    | defaults to ' ', concat multiple selector-data using this string
+| `fmt`                  | string   |   optional    | format using predefined 'formatters'
 
 <!--|&nbsp;&lt;content&gt; |          | **required**  | see in `column contents` below, one of those must exist! -->
 
 *Use `modify` with _caution_ and on your own risk only. This will directly execute code using `eval()`, which is by definition a safety risk. Especially avoid processing any third party APIs / contents with `flex-table-card` using the `modify` parameter, *only apply this parameter, if you are 100% sure about the contents and origin of the data.* 
 Apart from that `modify` is very powerful, see [advanced cell formatting](https://github.com/custom-cards/flex-table-card/blob/master/docs/example-cfg-advanced-cell-formatting.md).
 
+
+Currently the available formatters are: `full_datetime`, `hours_passed`, `hours_mins_passed`, `number`. Feel free to contribute, just share your best `modify` line to allow others to use them, too.
+
+
+
+
+
 [Return to main README.md](../README.md)
diff --git a/docs/example-cfg-advanced-cell-formatting.md b/docs/example-cfg-advanced-cell-formatting.md
index 7e36c61..effbd39 100644
--- a/docs/example-cfg-advanced-cell-formatting.md
+++ b/docs/example-cfg-advanced-cell-formatting.md
@@ -1,5 +1,64 @@
 ## Examples - Advanced Cell Content Formatting & Modification
 
+Om top of the in following described method there is also now the option
+to choose from predefined format styles for each cell in a column. This
+is simply done by addin the `fmt` property to your column and choosing 
+one of the available formatters. As of now there are not many, but as
+these are essentially hidden `modify:` scripts I have some hopes that people
+will share their coolest formattings - making it available to everyone
+through `flex-table-card` .
+
+``` yaml
+type: custom:flex-table-card
+title: Battery Levels (Top 10)
+clickable: true
+max_rows: 30
+sort_by: state+
+entities:
+  include: sensor.*_battery_level(_[0-9]+)?
+columns:
+  - data: name
+    name: NodeID
+  - name: Battery Level (%)
+    data: state
+    fmt: number
+    suffix: '%'
+    align: right
+  - data: last_updated
+    name: Hours Passed
+    fmt: hours_passed
+
+
+# make every cell/row 'clickable': show entity-popup for more entity details
+clickable: true   
+
+entities:
+  exclude:
+    - zwave.unknown_device_*
+    - zstick_gen5
+  include: zwave.*
+
+columns:
+  # 1st + 2nd column are <NodeID> + <NodeName>, remember to set 'name' for a 
+  # human-readable / fancy header content
+  - name: NodeID
+  	data: node_id
+  - name: Name
+    data: name
+
+  # 'receivedTS' and 'sentTS' are strings like: '2020-12-24 00:40:57:758'
+  # using 'modify' and a JavaScript expression the strings can be converted to
+  # hours using 'Date.parse' and friends
+  - data: receivedTS
+    modify: Math.round((Date.now() - Date.parse(x)) / 36000.) / 100.
+    name: Recv. Age (h)
+  - data: sentTS
+    modify: Math.round((Date.now() - Date.parse(x)) / 36000.) / 100.
+    name: Sent Age (h)
+```
+
+
+
 **Monitoring and identifying nodes, which are not communicating anymore** with
 the Z-Wave controller, can be extracted and also sorted according to their last
 sent/received message with the following config: