How to connect router with PPP by PAP

Position in R1 to R2

R1(config)#int se0/0/0
R1(config-if)#pp
R1(config-if)#ppp pa
R1(config-if)#ppp pap se
R1(config-if)#ppp pap sent-username R2 pas
R1(config-if)#ppp pap sent-username R2 password cisco
R1(config-if)#exit