This action allows you to retrieve the name of availability zones available to you. You can filter which results to return using the optional filters.
The Access Key and Secret Key for your AWS account. If "Use Global Values" is checked, the values set in the options page (Tools > Options > Internet > EC2) will be used instead.
The variable to output the zone names to. If more than one zone matches the filters, a comma seperated list of zone names will be returned.
The name and value of any filters on which zones will be returned. The filter name field will automatically complete with valid filter names. For a list of filters & valid values: http://docs.amazonwebservices.com/AWSEC2/2011-05-15/APIReferenceindex.html?ApiReference-query-DescribeAvailabilityZones.html