Hi christianmdu117,
It depends, but a basically a custom command like below is sent to the iOS device. This can be done automatically via Workspace ONE Intelligence Custom Connector.
<dict>
<key>RequestType</key>
<string>Settings</string>
<key>Settings</key>
<array>
<dict>
<key>Item</key>
<string>SoftwareUpdateSettings</string>
<key>RecommendationCadence</key>
<integer>1</integer>
</dict>
</array>
</dict>