How to add placeholder in system.xml for custom admin configuration fields in magento 2

Question

I am creating field by using this code in my system.xml file of custom module

<field id="SenderCity" translate="label" type="text" sortOrder="5" showInDefault="1" showInWebsite="1" showInStore="1">
    <label>Physical address</label>
    <validate>required-entry</validate>
</field>

The result of this code is as:



Now i want to add placeholder for that custom field. Should i use some custom JS or is there any tag for placeholder?

Answer 1

Magento does not have tag file <placeholder></placeholder> for system.xml which will render as placeholder HTML tag.

If you want to add a placeHolder folder button then you have to create <frontend_model> for this field.

See https://belvg.com/blog/how-to-add-custom-system-configuration-elements-in-magento-2-0.html

Answer 2

You can add comment to particular field, are you looking something like that?

<comment>Add your field description</comment>

So in your case, it would be like

<field id="SenderCity" translate="label" type="text" sortOrder="5" showInDefault="1" showInWebsite="1" showInStore="1">
    <label>Physical address</label>
    <validate>required-entry</validate>
    <comment>Add your field description</comment>
</field>