How Do I Draft a Warning Letter for Employee Indiscipline at the Office?

I am working at Landmark Ltd as an Assistant Store Manager. I require a format for a warning letter regarding indiscipline at the office for one of my employees.

Regards

Warning Letter

Date:

To,
Name:
Designation:
Emp Code:

Sub: Warning Letter

Dear Mr. XYZ,

This is to bring to your kind notice regarding the matter _________________________________________________. Considering the above act as serious misconduct, you are warned to adhere to the general discipline and guidelines given by your superior. We wish not to repeat the same misconduct in the future. Please treat this as a formal warning letter for the first-time misconduct.

Thanking you,

Yours faithfully,
XYZ