Help/Support How can modify this function [IDA]

[Pradeep6868 5k]

I have this function DRSaveGame$$IsCarOwned and I think this can be hacked to unlock all the car but not sure what to modify 
 

01001B87CC DRSaveGame$$IsCarOwned                  ; CODE XREF: SelectCarState$$Init+504↑p
__text:00000001001B87CC                                         ; SelectCarState$$IsCarOwned+28↑j ...
__text:00000001001B87CC
__text:00000001001B87CC var_10          = -0x10
__text:00000001001B87CC var_s0          =  0
__text:00000001001B87CC
__text:00000001001B87CC                 STP             X20, X19, [SP,#-0x10+var_10]!
__text:00000001001B87D0                 STP             X29, X30, [SP,#0x10+var_s0]
__text:00000001001B87D4                 ADD             X29, SP, #0x10
__text:00000001001B87D8                 MOV             X19, X1
__text:00000001001B87DC                 LDR             X1, [X0,#0x178]
__text:00000001001B87E0                 CBZ             X1, loc_1001B8808
__text:00000001001B87E4                 MOV             W0, #0x18
__text:00000001001B87E8                 BL              sub_1013F59AC
__text:00000001001B87EC                 MOV             X8, X1
__text:00000001001B87F0                 LDR             X3, [X8]
__text:00000001001B87F4                 MOV             X1, X19
__text:00000001001B87F8                 MOV             X2, X8
__text:00000001001B87FC                 LDP             X29, X30, [SP,#0x10+var_s0]
__text:00000001001B8800                 LDP             X20, X19, [SP+0x10+var_10],#0x20
__text:00000001001B8804                 BR              X3
__text:00000001001B8808 ; ---------------------------------------------------------------------------
__text:00000001001B8808
__text:00000001001B8808 loc_1001B8808                           ; CODE XREF: DRSaveGame$$IsCarOwned+14↑j
__text:00000001001B8808                 BL              sub_1013E7174
__text:00000001001B8808 ; End of function DRSaveGame$$IsCarOwned

 

[Joka 4k iPhone X 12.4]

20008052 C0035FD6

[Crimson 49.8k]

When ever you get a function that starts with isxxxxxx or hasxxxxx, think of it like a yes or no question.  

[Pradeep6868 5k]

13 minutes ago, Joka said:

20008052 C0035FD6

wowwww it workeddd thankk youuu so much 🤩 

12 minutes ago, Crimson said:

When ever you get a function that starts with isxxxxxx or hasxxxxx, think of it like a yes or no question.  

thank you bro, it means a lot.