`<DateTime>`

Category: Control tag

The DateTime tag adds date and time selection to the labeling interface. Use this tag to add a date, timestamp, month, or year to an annotation.

Use with the following data types: audio, image, HTML, paragraph, text, time series, video

Attributes

Attribute	Type	Required	Default	Description
name	string	yes	—	Name of the element
toName	string	yes	—	Name of the element that you want to label
only	string	yes	—	Comma-separated list of parts to display (date, time, month, year) date and month/year can't be used together. The date option takes precedence
format	string	yes	—	Input/output strftime format for datetime (internally it's always ISO); when both date and time are displayed, by default shows ISO with a "T" separator; when only date is displayed, by default shows ISO date; when only time is displayed, by default shows a 24 hour time with leading zero
min	string	no	—	Set a minimum datetime value for only=date in ISO format, or minimum year for only=year
max	string	no	—	Set a maximum datetime value for only=date in ISO format, or maximum year for only=year
required	true,false	no	`false`	Whether datetime is required or not
requiredMessage	string	no	—	Message to show if validation fails
perRegion	true,false	no	—	Use this option to label regions instead of the whole object
perItem	true,false	no	—	Use this option to label items inside the object instead of the whole object

<View>
  <Text name="txt" value="$text" />
  <DateTime name="datetime" toName="txt" only="date" />
</View>