Schedule 4 has been eliminated by the CRA for 2018:
https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/about-your-tax-return/tax-re...
In TurboTax CD/Download, when you enter your
investment income and expenses (through slips, etc…), they go to a worksheet
called INVEST - Statement of Investment Income. If you are searching for it in
Forms mode, search for INVEST. Double click on the amounts on the INVEST
worksheet to open the slips where the info comes from.