Livecycle

To define the behavior of date/time fields

1.	In the Object palette, click the Value tab. Select one of these options:

•	To allow users to choose whether to enter data, select User Entered – Optional.

•	To prompt users to enter data and make the field recommended, select User Entered – Recommended and type a custom message in the Empty Message box.

•	To prompt users to enter data and make the field required, select User Entered – Required and type a custom message in the Empty Message box.

•	To make the field read only and display a data value that is calculated and displayed through an attached script, select Calculated – Read Only. Users cannot edit the calculated value.

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To make the field editable and display a data value that is calculated and displayed through an attached script, select Calculated – User Can Override. Users can edit the value if the calculation script has been written to accept the input. If a user does edit the calculated value, the custom message you specify in the Override Message box appears.

•	To make the field read only and display a data value that is merged or calculated and displayed at run time, select Read Only. Users cannot edit the value.

2.	If the value is recommended or required, type a prompt in the Empty Message box.

3.	If the value will be calculated, attach the calculation script to the object by using the Script Editor.

4.	(Optional) If a calculated value can be overridden, type a message into the Override Message box.

Tip:	You can dynamically populate a validation pattern or script message with a value from a data source. This allows you to ensure that users enter the correct value in the field.

See also 

Overview of date/time fields

To specify a default value

To dynamically populate a validation pattern message

To dynamically populate a validation script message

Date/time field properties in the Value tab

To define the behavior of date/time fields