Bind date to a formControlname input in Angular7

Question

Hi,

 I am new to angular. I have an input with type "date".How will I bind the date to this input?

 

 <input type="date" class="form-control" formControlName="startDateInput">

  i tried like this but didnt work for me

 

this.createForm.patchValue({

startDateInput:this.resourceData['period'].start,

});

 

please help to do this