* the consumer. A NULL handle is permitted in the event where the caller
* has no use for the return value.
* @param remoteAddr The target device address to discovery a resource.
- * @param payload Encoded request payload.
+ * @param payload Encoded request payload.This API takes ownership of payload passed as input,
+ * so whenever it returns, payload memory is de-allocated.
* @param cbData Asynchronous callback function that is invoked by the stack when
* discovery or resource interaction is received. The discovery could be
* related to filtered/scoped/particular resource. The callback is