How to convert the SubmitForm command to a patch?

[dreamsat]

I created a new PowerApp and used the SharePoint template. In this template you will have 3 screens/forms. One of the screens/forms is the edit screen/form. In this screen/form there is a save button. On this save button there is an onSelect with the SubmitForm command. I would like to use here the patch do my own logic.

My form is showing 3 SharePoint list columns:

Datum (Type: Date)

Persoon (Type: People or Group)

ExternePersoon (Type: Single line of text)

How do I need to use my patch? I did try this, but it is not working:

Patch(
CoronaWerkplekRooster,
{ID: ItemID},
{
Datum: Datum_DataCard2,
Persoon: Persoon_DataCard2,
'Externe persoon': 'Externe persoon_DataCard2'
}
)

[RandyHayes]

@dreamsat 

Can you specify why you are wanting to use Patch over SubmitForm?

[dreamsat]

I would like to use an if statement and do 2 differant things depent on the comboboxPersoon

[RandyHayes]

@dreamsat 

I am not sure of what your details are on the need you have, but yes this is all very possible. 

I would recommend using the SubmitForm as you are working with a form and adjust the Update property of the datacard for the field you want to base on a condition.

If you can supply more details or information, perhaps I could provide more solution for you.