which layer to use for developement of an Add-on?

Dynamics 365 for Finance and Operations/AX Developer Forum
#1

Hi All,

As we are going to develope Add-on, which layer should we use for our development!!?

As there are var,bus,usr layer is available!

#2

i searched for this, i think we have 2 option VAR or BUS!

but not excetlly know which!!? any one have idea on this LAYERS!!?

#3

It shud be BUS layer

regds,

narayan

#4

hi narayan,

Thank you for replay,

why to use BUS? any specific reason!?