Oracle Forms provides triggers that you can use to respond to interface events that occur when the end user manipulates a text item.
In order for a text item to execute a command or initiate a command, you must attach a When-New-Item-Instance trigger to it that fires when the end user navigates to the text item.
When the new item event occurs, Oracle Forms executes the code in the When-New-Item-Instance trigger.
You can set and get text item properties programmatically with the following Built-in subprograms: