PSPICE for Varistor

HI ,i have circuit designed in MULTISIM 8 now i want to replace a component Resistor with Varistor i have PSPICE model for this Varistor,

1.How to Include this Spice model in to my user database so that i can pick the component and place in the circuit .

Here i am attaching the PSPICE MODEL from EPCOS can be find at this link **broken link removed**

and My MULTISIM 8 circuit. my component of intrest is S20K14AUTO i want to place this in circuit removing Resistor R3

i try to attach the circuit but i dont no its not adding

As a EE student, only way i know is import a lib file and then adjust a existing VDR to what you want

thx for sharing~~~~