The checkbox is commonly used for setting a flag type field. This usually to represents a yes/no, on/off type of choice. Most often the checkbox widget value property is bound to a 1-character field, such as 'Y' / 'N', '0' / '1'. (Rich UI Only).
Field Binding Dialog (Rich UI Only)
Checked / Unchecked Value Properties
checked value property - Setting the checked value property allows the programmer to determine what value is sent to the program when the checkbox is checked.
unchecked value property -Setting the unchecked value property determines what value is sent to the program when the checkbox is not checked.