SETUP:

• STEP: 1
• STEP: 2
• STEP: 3

After doing the above setup Wall Run will start working but there are some additional changes which you can do make the wall run feel more good

In Character Movement Component you can update these values

• Braking Decelaration Falling → 200
• Air Control → 1

Sample “BP_WallRunCharacter” is also provide you can see how things are setup inside the character blueprint to understand well