You could require to refresh Toky Data Studio Connector for getting new fields added, so you can use them in your reports. You must follow these steps:
Go to Google Data Studio
Click on Data Sources
Click on the Toky Data source that you want to update to open the field list
Click on the Refresh fields option in the bottom left corner
If new fields were added to the connector you can see a panel showing the new fields added. Click on Apply
Now you can see the new fields in the field list
And when you open the report connected to this data source you can start using the new fields
