> 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/customer/_setdepartmentid.md).

# \_setDepartmentId

Sets the Department for a Customer, using the Department's ID.

### Parameters

#### id

The ID of the Customer.

#### department\_id

The ID of the Department to be set to the Customer.

### Example

```
FM_api('Customer_setDepartmentId',[
  'id'=>'683157',
  'department_id'=>'367101'
  ]
);
```

### Result

#### On Success

```
{'ok':1}
```

If the Customer is already set to a Department with the same ID as in "department\_id":

```
{"error":"department_id already set to new value"}
```

#### On Failure

If the "id" parameter is not given a set value:

```
{"error":"no ID supplied"}
```

If the "department\_id" parameter is not given a set value:

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

If the "id" parameter value does not match the ID of an existing Customer:

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

If the "id\_department" parameter value does not match the ID of an existing Department:

```
{"error":"that department does not exist"}
```
