How to use sources in the forms.elementSelectField in Craft 4

[carolineboeykens]

We just updated a website to Craft 4.

We have a custom field in de backend where we use the elementSelectField for assets with limited sources:

{{ forms.elementSelectField({
        label: "Kalender",
        id: 'calendar'|namespaceInputId,
        name: 'calendar'|namespaceInputName,
        elementType: 'craft\\elements\\Asset',
        sources: ['folder:ed0949ed-84ea-4330-88a8-c0388a835edf'],
        selectionLabel: "Upload een file"|t('app'),
        limit: 1,
        required: true,
        elements: (calendarAsset is defined) ? [calendarAsset] : '',
        errors: (errors is defined and errors.calendar is defined) ? [errors.calendar] : false
 }) }}

This is not working anymore. Can someone explain how this works in Craft 4? 🙏

[brandonkelly]

In Craft 4, volume sources should be defined as volume:<volume-uid> rather than folder:<root-folder-uid>.

[carolineboeykens]

Yes, thank you!