Form Types in Dynamics 365 Model Driven App

 Dynamics 365 Form Types and Their values:

getFormType (Client API reference)

Gets the form type for the record.

Syntax

formContext.ui.getFormType();

Return Value

Type: Number

Description: Form type. Returns one of the following values

RETURN VALUE

Value	Form type
0	Undefined
1	Create
2	Update
3	Read Only
4	Disabled
6	Bulk Edit

 Note

Quick Create forms return 1.

Reference: 

https://docs.microsoft.com/en-us/powerapps/developer/model-driven-apps/clientapi/reference/formcontext-ui/getformtype