1.Click on the 
Rate Plans link.
2.Click on the Cap Rate Rules link.
The existing rules are shown in a list.
3.To create a rule, click on 
Add.
4.To modify a rule, select it in the list, then click on 
Modify.
5.Select the rate plans to which the rule applies.
6.Select the specific room types and services to which the rule applies.
7.Specify the minimum and maximum amounts in the available fields.
The values are defined in the default currency set for the property.
If your currency is Euros and you set a minimum value of 0 and a maximum of 180, for example, the rate amount can only be increased up to 180 Euros.
8.Click on 
.