One, you did sms her.
Two, you are quoting from the wrong statue with regards to
defending your actions.
Three, why should it affect your future employment when you
already apologised and she accepted your apology and this is only a
letter of warning? Are you now suggesting that your apologies
was done in falsehood?
What you meant by I am quoting from the wrong statue?
Intentional
harassment
, alarm or distress
13A. —(1) Any person who in a public place or
in a private place, with intent to cause
harassment
, alarm or distress to another person —
(a) uses threatening, abusive or insulting words or behaviour;
or
(b) displays any writing, sign or other visible representation
which is threatening, abusive or insulting,
thereby causing that person or any other person
harassment
, alarm or distress, shall be guilty of an offence
and shall be liable on conviction to a fine not exceeding
$5,000.
(2) It is a defence for the accused to prove —
(a) that he was inside a dwelling-house and had no reason to
believe that the words or behaviour used, or the writing, sign or
other visible representation displayed, by him would be heard or
seen by a person outside that dwelling-house or any other
dwelling-house; or
(b) that his conduct was reasonable.