Configure the Key XML attribute

The key name and description parameters cannot contain spaces or any of the following characters:
' ! $ % ^ ( ) = { } , ; : ? " < > |
The following is the Key XML configuration:
<giantVoiceSetting> 
<messages> 
    <message id = "MSG-TARGETING-NOT-ALLOWED">The Giant Voice Key you have selected on the previous page does not allow
additional selection of Giant Voice poles or zones.  You may still target users for other devices, but Giant Voice targeting
will be ignored.</message> 
    <message id = "MSG-TARGETING-ALLOWED">The Giant Voice Key you have selected on the previous page already has Giant
Voice poles and zones targeted, but you can override them by targeting different zones in the Targeting area just below.</message> 
    <message id = "MSG-TARGETING-REQUIRED">The Giant Voice Key you have selected on the previous page does not have any
targeting information built-in, and will require you to target at least one Giant Voice pole or zone below.</message> 
</messages> 
<keys>
    <key 
            id = "1" 
            messageIdRef = "MSG-TARGETING-REQUIRED" 
            targetingRule = "TargetingRequired"> 
            <name>Message 1</name> 
            <description>Message 1</description> 
    </key>
    <key 
            id = "2"
            messageIdRef = "MSG-TARGETING-REQUIRED"
            targetingRule = "TargetingRequired">
            <name>Message 2</name>
            <description>Message 2</description>
    </key>
    <key 
            id = "3"
            messageIdRef = "MSG-TARGETING-REQUIRED"
            targetingRule = "TargetingRequired">
            <name>Message 3</name>
            <description>Message 3</description>
    </key>
    <key 
            id = "4"
            messageIdRef = "MSG-TARGETING-REQUIRED"
            targetingRule = "TargetingRequired">
            <name>Message 4</name>
            <description>Message 4</description>
    </key>
    <key 
            id = "5"
            messageIdRef = "MSG-TARGETING-REQUIRED"
            targetingRule = "TargetingRequired">
            <name>Message 5</name>
            <description>Message 5</description>
    </key>
    <key 
            id = "6"
            messageIdRef = "MSG-TARGETING-REQUIRED"
            targetingRule = "TargetingRequired">
            <name>Message 6</name>
            <description>Message 6</description>
    </key>
    <key 
            id = "7"
            messageIdRef = "MSG-TARGETING-REQUIRED"
            targetingRule = "TargetingRequired">
            <name>Message 7</name>
            <description>Message 7</description>
    </key>
    <key 
            id = "8"
            messageIdRef = "MSG-TARGETING-REQUIRED"
            targetingRule = "TargetingRequired">
            <name>Message 8</name>
            <description>Message 8</description>
            </key>        
    <key 
            id = "18"
            messageIdRef = "MSG-TARGETING-REQUIRED"
            targetingRule = "TargetingRequired">
            <name>Biological Agent</name>
            <description>Biological Agent</description>
    </key>
</keys>
</giantVoiceSetting>
Section:
Create a mass device key endpoint