Custom properties are unique settings in the administrative console. They are name-value pairs that you can enter on specific administrative console pages. Use the documentation for the specific custom property to determine where the property must be set.
You can configure a cell-wide custom property using the following steps:
Some custom properties can be set at other levels than the cell level. If the custom property documentation specifies another scope at which the custom property must be set, the steps are similar, but you first go to the indicated level before you set the custom property.