Property 'updateModf' has no initializer and is not definitely assigned in the constructor

Question

i have an angular reactive form, so when i declare a variable withe a FormGroup type like this :

  updateModf:FormGroup;

, the IDE shows me this error:

Property 'updateModf' has no initializer and is not definitely assigned in the constructor.

19   updateModf:FormGroup;

Answer 1

Move initializing to constructor as error message says.