The filter for this operator is presented by type customButtonFilter
(ui_input.xsd) and structured as follows:
The custombutton-id node is required. It specifies ID of a
custom button. Data type: integer.
The owner node is required. It specifies the custom button
owner. For details, refer to the Owner section. Data
type: CBOwner (plesk_custom_button.xsd) .
Remarks
A single filtering rule can specify multiple custombutton-id or
owner parameters. The filter that matches custom buttons with ID 4
and 5 looks as follows: