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**To obtain the capacity used by a set of rules**
The following ``check-capacity`` retrieves the capacity requirements for a rule set that contains a rate-based rule statement, and an AND rule statement that contains nested rules. ::
aws wafv2 check-capacity \
--scope REGIONAL \
--rules file://waf-rule-list.json \
--region us-west-2
Contents of `file://waf-rule-list.json`::
[
{
"Name":"basic-rule",
"Priority":0,
"Statement":{
"AndStatement":{
"Statements":[
{
"ByteMatchStatement":{
"SearchString":"example.com",
"FieldToMatch":{
"SingleHeader":{
"Name":"host"
}
},
"TextTransformations":[
{
"Priority":0,
"Type":"LOWERCASE"
}
],
"PositionalConstraint":"EXACTLY"
}
},
{
"GeoMatchStatement":{
"CountryCodes":[
"US",
"IN"
]
}
}
]
}
},
"Action":{
"Allow":{
}
},
"VisibilityConfig":{
"SampledRequestsEnabled":true,
"CloudWatchMetricsEnabled":true,
"MetricName":"basic-rule"
}
},
{
"Name":"rate-rule",
"Priority":1,
"Statement":{
"RateBasedStatement":{
"Limit":1000,
"AggregateKeyType":"IP"
}
},
"Action":{
"Block":{
}
},
"VisibilityConfig":{
"SampledRequestsEnabled":true,
"CloudWatchMetricsEnabled":true,
"MetricName":"rate-rule"
}
}
]
Output::
{
"Capacity":15
}
For more information, see `AWS WAF Web ACL Capacity Units (WCU) <https://docs.aws.amazon.com/waf/latest/developerguide/how-aws-waf-works.html#aws-waf-capacity-units>`__ in the *AWS WAF, AWS Firewall Manager, and AWS Shield Advanced Developer Guide*.