# Adding a column and filling it with data
**URL:** https://community.mp3tag.de/t/adding-a-column-and-filling-it-with-data/59070
**Category:** Support
**Created:** [November 14, 2022, 1:33pm UTC](https://community.mp3tag.de/t/adding-a-column-and-filling-it-with-data/59070 "2022-11-14T13:33:06Z")
**Posts on this page:** 14
**Page:** 1
### Author:  [@sonos](https://community.mp3tag.de/u/sonos)
#### Post date: [November 14, 2022, 1:33pm UTC](https://community.mp3tag.de/t/adding-a-column-and-filling-it-with-data/59070/1 "2022-11-14T13:33:06Z")
I have added a new **DateAdded** column via **Columns Customize**. Then I tried to fill this new column with data by using **Convert** -\> **Tag - Tag** -\> Field: **DATEADDED** and Format String: **%\_datetime%**. Without success. What did I do wrong?
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### Author:  [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)
#### Post date: [November 14, 2022, 1:35pm UTC](https://community.mp3tag.de/t/adding-a-column-and-filling-it-with-data/59070/2 "2022-11-14T13:35:21Z")
> [@sonos](#):
>
> I have added a new **DateAdded** column via **Columns Customize**.
Then please show us a dump of the column definition.
It should look like this:
Name: Date added
Value: %dateadded%
Field: %dateadded%
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### Author:  [@sonos](https://community.mp3tag.de/u/sonos)
#### Post date: [November 14, 2022, 1:41pm UTC](https://community.mp3tag.de/t/adding-a-column-and-filling-it-with-data/59070/3 "2022-11-14T13:41:55Z")
Thanks for the prompt reply, How can I achieve a **dump of the column definition**?
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### Author:  [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)
#### Post date: [November 14, 2022, 1:43pm UTC](https://community.mp3tag.de/t/adding-a-column-and-filling-it-with-data/59070/4 "2022-11-14T13:43:22Z")
OK, "dump" was perhaps a little too abbreviated. I meant a "screendump".
See here:
> [@Hints for asking Support Requests](https://community.mp3tag.de/t/hints-for-asking-support-requests/56190):
>
> If you need support using Mp3tag, you can help the community members that are about to support you in finding a solution or workaround to your problem, by following these simple guidelines. Be descriptive, also in what you’ve already tried Please give a short explanation what’s not working as expected or what you’re trying to achieve. It’s best to know any details about the problem at hand and especially, what steps you’ve already tried to solve it by yourself. Helpful information also includ…
But you could also compare your definition with my suggestion and then either tell us where the differences are, or, if the suggestion or your modification then works tell us that it is OK now.
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### Author:  [@sonos](https://community.mp3tag.de/u/sonos)
#### Post date: [November 14, 2022, 1:46pm UTC](https://community.mp3tag.de/t/adding-a-column-and-filling-it-with-data/59070/5 "2022-11-14T13:46:57Z")
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### Author:  [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)
#### Post date: [November 14, 2022, 1:48pm UTC](https://community.mp3tag.de/t/adding-a-column-and-filling-it-with-data/59070/6 "2022-11-14T13:48:15Z")
That was the action.
And now the defintion for the column that you set with
> [@sonos](#):
>
> **Columns Customize**
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### Author:  [@sonos](https://community.mp3tag.de/u/sonos)
#### Post date: [November 14, 2022, 1:51pm UTC](https://community.mp3tag.de/t/adding-a-column-and-filling-it-with-data/59070/7 "2022-11-14T13:51:57Z")
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### Author:  [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)
#### Post date: [November 14, 2022, 1:54pm UTC](https://community.mp3tag.de/t/adding-a-column-and-filling-it-with-data/59070/8 "2022-11-14T13:54:09Z")
You see that you have defined the column in a way that is different from my suggestion.
Please adapt your definition so that it matches mine and then see whether the already treated files show the right data.
> [@ohrenkino](#):
>
> Name: Date added
> Value: %dateadded%
> Field: %dateadded%
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### Author:  [@sonos](https://community.mp3tag.de/u/sonos)
#### Post date: [November 14, 2022, 1:58pm UTC](https://community.mp3tag.de/t/adding-a-column-and-filling-it-with-data/59070/9 "2022-11-14T13:58:42Z")
I changed Field to %dateadded%
Then I apply
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### Author:  [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)
#### Post date: [November 14, 2022, 1:59pm UTC](https://community.mp3tag.de/t/adding-a-column-and-filling-it-with-data/59070/10 "2022-11-14T13:59:45Z")
Honestly, you have to do it the way I showed:
2 x %dateadded%
and with the % as marker for the field name.
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### Author:  [@sonos](https://community.mp3tag.de/u/sonos)
#### Post date: [November 14, 2022, 2:00pm UTC](https://community.mp3tag.de/t/adding-a-column-and-filling-it-with-data/59070/11 "2022-11-14T14:00:14Z")
the first Image was wrong. Here is the newest one
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### Author:  [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)
#### Post date: [November 14, 2022, 2:02pm UTC](https://community.mp3tag.de/t/adding-a-column-and-filling-it-with-data/59070/12 "2022-11-14T14:02:47Z")
As %\_datetime% is a property that you cannot write but read only, it does not make sense to add it as field.
If you want to see the results of your action, you could also check the extended tags dialogue Alt-T and see what has been written to DATEADDED.
If you want to get that as user-defined field which can be read and written, please use the definition that I already mentioned twice.
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### Author:  [@sonos](https://community.mp3tag.de/u/sonos)
#### Post date: [November 14, 2022, 2:10pm UTC](https://community.mp3tag.de/t/adding-a-column-and-filling-it-with-data/59070/13 "2022-11-14T14:10:40Z")
got it. Thanks a lot
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### Author:  [@system](https://community.mp3tag.de/u/system)
#### Post date: [December 14, 2022, 2:11pm UTC](https://community.mp3tag.de/t/adding-a-column-and-filling-it-with-data/59070/14 "2022-12-14T14:11:00Z")
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