You will click on the Income tab and select "Investments" then "Capital gains".
As per CRA- Any amount reported in box 42, "Amount resulting in cost base adjustment", of the T3 slip represents a change in the capital balance of the mutual fund trust identified on the slip. This amount is used when calculating the ACB reported on Schedule 3 for the property in the year of disposition
https://turbotax.intuit.ca/tips/calculating-adjusted-cost-base-6285
https://turbotax.intuit.ca/tips/how-to-calculate-a-capital-gain-or-loss-6345
As per CRA: https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/about-your-tax-return/tax-re...
