> For the complete documentation index, see [llms.txt](https://docs.fieldmotion.com/fieldmotion-api-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fieldmotion.com/fieldmotion-api-docs/userclockin/_setclockindiff.md).

# \_setClockinDiff

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

### Parameters

#### id

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

#### diff

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

### Example

```
FM_api('UserClockin_setClockinDiff',[
  'id'=>'30020',
  'diff'=>'240'
  ]
);
```

### 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"}
```