> 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/defaulting-a-parameter-value.md).

# Defaulting a parameter value

{% embed url="<https://www.youtube.com/watch?index=6&list=PL74nuGSklShkPfMTELqxruD4Qhedw_f_E&v=kr_tNIKywgY>" %}

These fields can be used to define a default value that will populate an entry field on the device.

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

The screenshot below shows the configuration set in Log. Transaction *INSTBI*, Step INSTSB.
{% endhint %}

<figure><img src="https://1016750988-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F7lFTpSLijn44pippdL6u%2Fuploads%2Fgit-blob-b3b38e4b09aeb216efa7a546e6cffb768deee7f2%2FEWM-setting%20a%20default%20parameter.png?alt=media" alt=""><figcaption><p>Setting a default parameter</p></figcaption></figure>

<div><figure><img src="https://1016750988-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F7lFTpSLijn44pippdL6u%2Fuploads%2Fgit-blob-e1c13d6713a27893f254a64f8eef313892086e34%2FEWM-with%20hint%20text.png?alt=media" alt=""><figcaption><p>Without a default parameter</p></figcaption></figure> <figure><img src="https://1016750988-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F7lFTpSLijn44pippdL6u%2Fuploads%2Fgit-blob-dfd017926cf9d3869aa61620c7d9186bcb87e13d%2FEWM-with%20a%20default%20parameter%20of%201.png?alt=media" alt=""><figcaption><p>With a default parameter of 1</p></figcaption></figure></div>

Default value option has the following settings:

A – Always Set – replace any value in the field with the value defined in ‘Default Value’.

B – Only Set When Blank – only replace blank fields with the value defined in ‘Default Value’.

C – Clear any Input – clear content of any pre-populated fields.