Broadly speaking, discrimination arises when you are treated unfavourably because of a protected characteristic. Please give concise details of the treatment you received, including dates.

Describe BRIEF details of the protected disclosure/whistleblowing?

About and to whom did you make the protected disclosure/blew the whistle.
e.g. I work in a care home. On 25 March 2018, I emailed my line manager about a resident being neglected.

Please describe brief details of the defamatory comment.