Citigenship online

[Vekrem]

Hi what optional supporting documents we can send to process faster

 

[Seym]

Unless you have something that qualifies you for an urgent processing (see link below), none. Stick to what IRCC asks for and keep it simple.
https://www.canada.ca/en/immigration-refugees-citizenship/services/canadian-citizenship/become-canadian-citizen/apply/urgently.html