how to make "approval" state read only

[ranjansnow]

Hi All,

Once a request is approved/rejected/cancelled by the approver(manager) it should be set to read only and no other changes should be allowed on the "approval" state.

I was able do it through an onSubmit Client Script. The approval state becomes READ ONLY post the first action on it, however, the manager can still change this state from the list view as show below.

In short:   The approval state should only be recorded once by the Approver (However, admins can change the field )

[Chuck Tomasi · Accepted solution]

Idea: How about using an ACL to make it writable only if the state is 'requested'?

Docs: Access control rules

Docs: Contextual security  

Security Best Practices - ServiceNow Wiki

[thakkallapallay]

Hi chuck,

I agree with you. This might be best possible solution.

Thanks,

Ramya.

[Chuck Tomasi]

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Thank you