A T3 slip or T5 slip is not issued for this capital gain or loss, but the fund company will provide you with the information you need to complete the required tax schedule. This is often provided with your year end investment statement. https://www.zlc.net/t3-tax-slip-for-income/
https://www.cpacanada.ca/en/news/accounting/tax/2019-05-01-tax-return-forgot
https://turbotax.intuit.ca/tips/change-filed-tax-return-703