# Chat - RunMVChat

## Overview

Chat Interface






## Definition

### Public Parameters

| Parameter Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **Action**     | string  | Corresponding API command name, the current API is `RunMVChat`.                      | **Yes** |
| **PublicKey**  | string  | The user's public key can be obtained from [Console](https://console.genesissai.com/uaccount/api_manage)                                             | **Yes** |
| **Signature**  | string  | User signature generated based on public key and API command, see [Signature Algorithm](/docs/api/summary/signature.md)  | **Yes** |

### Request Parameters

| Parameter Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **Role.N** | string | Transmit the dialogue list collection from old to new according to time, which needs to correspond one-to-one with Content<br />Role is the role of the author of this message, the enumeration value is user or assistant<br />- user refers to the information input by the user role<br />- assistant refers to the information returned by the model. |**Yes**|
| **Content.N** | string | Transmit the dialogue list set from old to new according to the time, which needs to correspond one-to-one with Role. Content is the specific content of this message. |**Yes**|
| **AppID** | string | Application ID |**Yes**|
| **SessionID** | int | Session ID (A new session will be created by default if left blank) |No|

### Response Field

| Field Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **RetCode** | int | Return status code. If it is 0, it means successful return. If it is not 0, it means failure. |**Yes**|
| **Action** | string | Operation command name. |**Yes**|
| **Message** | string | Returns an error message, providing detailed description when `RetCode` is non-zero. |No|
| **Msg** | string | Status Code Description |**Yes**|
| **ID** | int | Unique Message Identifier |**Yes**|
| **SessionID** | int | Session ID |**Yes**|
| **Response** | string | Reply Content |**Yes**|
| **Time** | int | Time |**Yes**|




## Example

### Request Example
    
```
https://api.genesissai.com/?Action=RunMVChat
&Prompt=DTAUtpZW
&AppID=gjvyCaRg
&SessionID=3
&Content=uOsqGAyA
```

### Response Example
    
```json
{
  "Action": "RunMVChatResponse",
  "ID": 6,
  "Msg": "EWskKMcN",
  "Response": "EFZUczjm",
  "RetCode": 0,
  "SessionID": 6,
  "Time": 3
}
```