Reference of v4 forward alloc

arguments	description	optional
time	time sec	YES
clear	pre-clear the friend list when set true	YES

Explain

Allocate a temporary access token for the persistent queries.
Token will be recycled while the time limit exceeds.

The default time limit is 10 sec.
You could configure it in the BOTARCAPI_FORWARD_TIMESEC_DEFAULT

Return data

{
    "status": 0,
    "content": {
        "access_token": "67c1e625a3afde07cc1cbf46e3a63a04",
        "valid_time": 10
    }
}

Error status

status	description
0	everything is OK
-1	invalid time
-2	allocate an arc account failed
-233	unknown error occurred