How I can see response of end device in cumulicity

What product/components do you use and which version/fix level?

1011.0.12

Are you using a free trial or a product with a customer license?

What are trying to achieve? Please describe in detail.

how i can visualize end device response in cumulocity or in which section i can visualize device response whether success response or error
guide me with example via mqtt.

Do you get any error messages? Please provide a full error message screenshot and log file.

Have you installed latest fixes for the products

See my answer here How to receive response on cumulocity of a api - #2 by Stefan_Witschel