public FailedItem withReason(FailedItemReason reason) {
        this.reason = reason.toString();
        return this;
    }
<p>
The reason the resource's association could not be updated.
</p>

@param reason
       The reason the resource's association could not be updated.
@return Returns a reference to this object so that method calls can be chained together.
@see FailedItemReason
aws-java-sdk-fms/src/main/java/com/amazonaws/services/fms/model/FailedItem.java