Create a sounds folder
Find some wav sounds and add them to the sounds folder
They must be wav files
Open your Shotgun animation file
Open the Jog_Fwd_Rifle animation
Pause the animation and use the scrubber to find where the character is about to touch the ground
Right Click
Add Notify
Play a sound
Select the Play Sound
Select your audio
Copy and paste each footstep in the proper frame
TestÂ
Go to BP ThirdpersonCharacter
In the shooting system after the final set, pull out Spawn Sound at Location
Location will be Get Actor Location
Select your shot sound