# Get Breakpoint

## Function

This API is used to obtain the upgrade breakpoint position when upgrading an IPC through an NVR.

## Request Message

##### Table 1

Parameter | Range | Type | Description
--- | --- | --- | ---
token | 0-32 | string | The token for the upgrade process.

Sample:

    POST /API/IPCMaintaint/IPCUpgrade/GetBreakpoint HTTP/1.1

    {
        "version": "1.0",
        "data": {
            "token": "xxxxxxxxxxxxxxx"
        }
    }

## Response Message

### Parameter Description

##### Table 2

Parameter | Range | Type | Description
--- | --- | --- | ---
pos |  | int | The position to resume the transmission of the upgrade file.

Sample:

    HTTP/1.1 200 OK
    Content-Type: application/json

    {
        "result": "success",
        "data": {
            "pos": 12267352
        }
    }

## Error Code

See Response Messages Body and Common error_code for more information.