# \_setClockoutDiff

Sets the number of seconds for which a person is late or early to Clock-out

### Parameters

#### id

The ID of the User Clock-in you're modifying the Clock-out difference of

#### diff

The number of seconds offset from the Clock-out time set for the User Clock-in.

### Example

```
FM_api('UserClockin_setClockoutDiff',[
  'id'=>'30018',
  'diff'=>'-2400'
  ]
);
```

### Results

#### On Success

```
{"ok":1}
```

#### On Failure

If the "id" parameter is missing or has a value less than 1

```
{"error":"missing or invalid parameter: id"}
```

If the "id" parameter does not match the ID of any existing User Clock-in

```
{"error":"clockin does not exist"}
```


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