channel 

The animation element may contain any number of channel elements.

Element Information

Model

Attributes

QName Type Fixed Default Use Inheritable Annotation
source urifragment_type required 
The source attribute indicates the location of the sampler using a URL expression. 
The sampler must be declared within the same document. Required attribute.
target xs:token required 
The target attribute indicates the location of the element bound to the output of the sampler. 
This text string is a path-name following a simple syntax described in Address Syntax. 
Required attribute.

Source 

<xs:element name="channel" type="channel_type" maxOccurs="unbounded">
  <xs:annotation>
    <xs:documentation>The animation element may contain any number of channel elements.</xs:documentation>
  </xs:annotation>
</xs:element>

Sample