If you have an amount at line 11500 (T1 general), then use T1032 form to split the pension. So here are the 3 easy step for pension split using StudioTax:
1) Go to the pensioner T1032 and tick the first box above Step 1.
2) Scroll down to line 14 and press the button under line 14 to run the Optimizer.
3) Press OK to accept the result.
If you are using the windows version, the optimizer can be launched from the menu at the top or from the button under line 14:
Click on the Forms button and add the T1032 form from the available forms' list:
tick the first box at the pensioneer return: