You can summon a lift via the lift control feature.
Configure Lift Control
Before setting the Lift icon, display it on the Home or More screen.
To display the icon, go to the Device > Display Setting interface.
To set the Lift icon, go to the web Device > Lift > Lift Control interface.
Status: Enable or disable the lift button.
Type: Decide the button icon.
Label: Name the button.
HTTP Command: Select http:// or https:// for the head of the HTTP command and enter the HTTP command.
Note
Click here to view the detailed configuration of lift control on indoor monitors.
Users can tap the icon to summon or send a lift.
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Configure Lift Control Prompt
When the lift controller receives the HTTP command, it will give feedback on the current lift status with a prompt.
To set it up, go to the web Device > Lift > Hints interface. Click the Edit icon 
to modify the desired prompt.
If many prompts need to be added, you can click the Export tab to export a template and import the file after editing. The import and export files should be in XML format.
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