public String getNamespace() {
        return this.namespace;
    }
<p>
The variable namespace associated with the action. All variables produced as output by this action fall under
this namespace.
</p>

@return The variable namespace associated with the action. All variables produced as output by this action fall
        under this namespace.
aws-java-sdk-codepipeline/src/main/java/com/amazonaws/services/codepipeline/model/ActionDeclaration.java