duration values are in seconds

Author: simonhammes

intro/models.md

@@ -155,7 +155,7 @@ As you can see in the example, due to the different column types, the values can
 | `number`<br/>`percent`<br/>`dollar`<br/>`euro` | `integer`                                                                              | `279` or `12.5344`                                                                                                                                                    |                                                                                                                                                         |
 | `collaborator`                                 | `array`                                                                                | `["[email protected]", "[email protected]"]`                                                                                                                       |                                                                                                                                                         |
 | `date`                                         | `string`<br/>([ISO 8601 date and time in UTC](https://en.wikipedia.org/wiki/ISO_8601)) | ` "2021-07-01 13:59"` or <br/>`"2021-03-10T16:19:31.761+00:00"`                                                                                                       | - seatable accepts a wide variety of date formats.<br/> - Always saved in iso format.<br/>- If "Accurate to minutes" is not set, hh:mm will be ignored. |
-| `duration`                                     | `string`                                                                               | `"9:50"` or `"1:10:30"`                                                                                                                                               | Depending on column setting.                                                                                                                            |
+| `duration`                                     | `integer` (Duration in seconds)                                                        | `5400`                                                                                                                                                                |                                                                                                                                                         |
 | `single-select`                                | `string`                                                                               | `"female"`                                                                                                                                                            | The exact string of the option is required. If the option doesn't exist, `option deleted` will be shown in the UI.                                      |
 | `multiple-select`                              | `array`                                                                                | `["Option 1", "Option 2"]`                                                                                                                                            | Non-existing options will be ignored.                                                                                                                   |
 | `image`                                        | `array`                                                                                | `["/workspace/24/asset/.../heart.png", "https://seatable.io/logo.svg"]`                                                                                               | Images can be stored in two ways:<br/>- [uploading an image](https://api.seatable.io/reference/uploadfile)<br/>- providing public URLs                  |