SPP Harvester by OnMarket, page-535

Sure, no problem.
I'll do a full report on the process when a SPP arises with a holding I have on IG although that could take several months.

Note that it is the exit broker fees on OnMarket that you really need to take into account, 300 x $15 to close out the product means you end up paying them more in brokerage fees than the entire 300 shares are worth
For that reason it's not practical to go down the OnMarket route & then switch to setup via IG afterwards.