public UpdateProvisioningParameter withKey(String key) {
        setKey(key);
        return this;
    }
<p>
The parameter key.
</p>

@param key
       The parameter key.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-servicecatalog/src/main/java/com/amazonaws/services/servicecatalog/model/UpdateProvisioningParameter.java