public void setTags(java.util.Collection<Tag> tags) {
        if (tags == null) {
            this.tags = null;
            return;
        }

        this.tags = new java.util.ArrayList<Tag>(tags);
    }
<p>
Metadata which can be used to manage the role alias.
</p>
<note>
<p>
For URI Request parameters use format: ...key1=value1&amp;key2=value2...
</p>
<p>
For the CLI command-line parameter use format: &amp;&amp;tags "key1=value1&amp;key2=value2..."
</p>
<p>
For the cli-input-json file use format: "tags": "key1=value1&amp;key2=value2..."
</p>
</note>

@param tags
       Metadata which can be used to manage the role alias.</p> <note>
       <p>
       For URI Request parameters use format: ...key1=value1&amp;key2=value2...
       </p>
       <p>
       For the CLI command-line parameter use format: &amp;&amp;tags "key1=value1&amp;key2=value2..."
       </p>
       <p>
       For the cli-input-json file use format: "tags": "key1=value1&amp;key2=value2..."
       </p>
aws-java-sdk-iot/src/main/java/com/amazonaws/services/iot/model/CreateRoleAliasRequest.java