Did the SST name a source?

Audrey Young in the NZ Herald says “The fact that a newspaper named a source of one of its stories about former Police Commissioner Peter Doone was a shock to the industry this week”.

However it is not clear to me, that they did. Later in the story we read that she was not subpoenaed, and in fact chose to give evidence to avoid Margaret Wilson having to testify, and also “to avoid the possibility of having her own involvement revealed by someone else giving evidence during the case”.

So I am unsure how that can be construed as the SST naming a source.

Later in the article, we read that the PM had the two official reports into Doone, and neither of them stated thet he said “That won