> For the complete documentation index, see [llms.txt](https://docs.theconfigteam.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.theconfigteam.com/prebilt-ewm/configuration-guide/customising-the-screen-layout/detailed-screen-fields-customisation/field-type.md).

# Field type

The Field Type controls the behaviour of a field’s input or display. By assigning a specific Field Type, the way PreBilt treats the field, enables a certain input or display can be controlled.

<table><thead><tr><th width="146">Field Type</th><th>Description</th><th>Effect</th></tr></thead><tbody><tr><td>CHAR</td><td>Normal text box</td><td>Normal text box with QWERTY keyboard input.</td></tr><tr><td>CHKB</td><td>Checkbox</td><td>Displays a checkbox for boolean values (X or blank).</td></tr><tr><td>DATS</td><td>Date</td><td>Activates the date selection from a calendar.</td></tr><tr><td>NUMC</td><td>Numeric input box</td><td>Activates the numeric keyboard for input.</td></tr><tr><td>TEXT</td><td>Text</td><td>Normal text box with QWERTY keyboard input.</td></tr><tr><td>TIMS</td><td>Time</td><td>Time formatting.</td></tr><tr><td>UOMS</td><td>Unit of measure selection</td><td>Enhanced UoM selection popup.</td></tr></tbody></table>

{% hint style="info" %}
**Prerequisite**

Field Types must first be defined in maintenance view `/TCTM/VEWM_FLTYP` which a cross-client table (i.e. workbench).
{% endhint %}