You don’t use the T2125 unless you have your own business. If you didn’t get slip from your employer, you can report your earnings as “Other Employment Income”
In TurboTax Online, click on “Income”, then “Other Income Sources”, then select “Income Not Reported On A T-slip”. This will bring you to the “Employment Status” page.
Check off “Received tips, gratuities, occasional earnings, or other employment income” at the top and click on the “Continue” button. This will bring you to the “Other Employment Income Sources” page.
You can now put your amount in the top box, or the bottom box if you want to specify an employer or add a description. C lick on the “Continue” button to save your information.
You can also use the “Find” tool in the top right. Click “Find” and search for “Income Not”, then select “Income Not Reported On A T-slip” from the list and click on the “Go” button.