Unable to Add custom TextField Read only to Create Screen

Question

I am able to add Custom TextField to Create screen but when Iam adding the Custom TextField Read Only and Custom Scripted Field it was not adding to the Create Screen. I followed the same approach for adding Custom TextField and Custom Text Field Read Only, but one is working and another not working. Could any one help out with this issue.

Nic Brough -Adaptavist- · Answer

Create a new scripted field as per normal custom field, then go to admin -> scripted fields.

You'll then need to write a bit of code that does your calculation and returns Yes or No.

Have a look at the script runner docs for some guidance on the coding.

Vyshnavi Reddy · Answer

Hey thanks Nic, got some idea about this now so if I want to use a scripted field then can you please explain  the correct process to do that??

Nic Brough -Adaptavist- · Answer

As Aswin points out, the field you are trying to use is not for that purpose.

* A text field does not have "options"
* A read-only field cannot be set or changed by the user
* A read-only field does not appear on create, edit or transition because it cannot be set by the user

What you really want here is totally different.  You should probably be using either

* a select list or radio button field,* with a behaviour to set it from other data
* with a behaviour to stop the users changing it

or

* a select list or radio button field,* not even shown to the user on create/edit
* with a scripted listener that sets it when you need it changed

or

* a scripted field* with a script that works out the current value