How do I store a custom field with the current date/time on the update of a text field?

[Bunny]

Scriptrunner listener to update custom date/time field when I change text in a Text Field

I want to note the date and time whenever the text in the text field changes.

[Tarun Sapra]

Here's your answer-

https://community.atlassian.com/t5/JIRA-questions/Scriptrunner-listener-to-update-custom-date-time-field/qaq-p/387444

[Tarun Sapra]

In the above link replace (*CheckBox A") with the name of your custom field(text field).

{it.field == "CheckBox A"}

[Bunny]

from the code its giving errors like

issue undeclared.

event undeclared

for,

it.field its showing that the no such property exists for the class: java.lang.object

Can you help me out please