# Response
## **Overview**
**Related Modules:**
[Samgr](Samgr.md)
**Description:**
Defines a response.
This structure is used to send a response after the message processing function of a service or feature processes a request. If the data is not empty and the length is not 0, the system automatically releases the data.
## **Summary**
## Data Fields
Variable Name
|
Description
|
|---|
data
|
void *
|
len
|
int16
|
## **Details**
## **Field Documentation**
## data
```
void* Response::data
```
**Description:**
Data content
## len
```
int16 Response::len
```
**Description:**
Data length