# Setting or Changing Information in a PDF

### Setting a Field to a String

To set a field in a PDF to a string value, use the following syntax:

```kog
get the pdf
the field is "Date"
set the pdf's field to "2023-01-01"
```

### Changing a Field to a String

To change a field in a PDF to a string value, use the following syntax:

```kog
get the pdf
the field is "Name"
change the pdf's field to "John Doe"
```

### Setting a Field to a Number

To set a field in a PDF to a numeric value, use the following syntax:

```kog
get the pdf
the field name is "Total Amount"
set the pdf's field to 150
```

### Changing a Field to a Number

To change a field in a PDF to a numeric value, use the following syntax:

```kog
get the pdf
the field name is "Page Count"
change the pdf's field to 5
```