public ListFunctionsResult withFunctions(FunctionConfiguration... functions) {
        if (this.functions == null) {
            setFunctions(new java.util.ArrayList<FunctionConfiguration>(functions.length));
        }
        for (FunctionConfiguration ele : functions) {
            this.functions.add(ele);
        }
        return this;
    }
<p>
A list of <code>Function</code> objects.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setFunctions(java.util.Collection)} or {@link #withFunctions(java.util.Collection)} if you want to
override the existing values.
</p>

@param functions
       A list of <code>Function</code> objects.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-appsync/src/main/java/com/amazonaws/services/appsync/model/ListFunctionsResult.java