<p>One or more customer gateway IDs.</p> <p>Default: Describes all your customer gateways.</p>

<p>One or more filters.</p> <ul> <li> <p> <code>bgp-asn</code> - The customer gateway's Border Gateway Protocol (BGP) Autonomous System Number (ASN).</p> </li> <li> <p> <code>customer-gateway-id</code> - The ID of the customer gateway.</p> </li> <li> <p> <code>ip-address</code> - The IP address of the customer gateway device's external interface.</p> </li> <li> <p> <code>state</code> - The state of the customer gateway (<code>pending</code> | <code>available</code> | <code>deleting</code> | <code>deleted</code>).</p> </li> <li> <p> <code>type</code> - The type of customer gateway. Currently, the only supported type is <code>ipsec.1</code>.</p> </li> <li> <p> <code>tag</code>:&lt;key&gt; - The key/value combination of a tag assigned to the resource. Use the tag key in the filter name and the tag value as the filter value. For example, to find all resources that have a tag with the key <code>Owner</code> and the value <code>TeamA</code>, specify <code>tag:Owner</code> for the filter name and <code>TeamA</code> for the filter value.</p> </li> <li> <p> <code>tag-key</code> - The key of a tag assigned to the resource. Use this filter to find all resources assigned a tag with a specific key, regardless of the tag value.</p> </li> </ul>

Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is <code>DryRunOperation</code>. Otherwise, it is <code>UnauthorizedOperation</code>.