Start with the desktop site at https://play.cricket.com.au/
Search for your club using the search option at the top right of the page:
Select your club and then you select the Teams tab:
Choose the season and the team to bring up the fixture list:
Select the match that you want to import and you will land on a scorecard page such as:
The match ID is in the URL of the scorecard page and will look something like this: 4865f371-3f77-4432-aec4-68c015e516d7