MODIFY 2 missions SCRIPTS From my source code using ( UNITY 6 )

This is JUST TASK BUT IF i like your work and price are reasonable Then i will hire you again From upwork For my Full 3d android game devlopmenT PROJECT I purchased source code From UNITY ASSEST STORE which include build , shop , INVENTORY , vehicle , mission , level SYETEMS , weapon wheel , ANIMATIONS wheel , AI non playable CHARACTERS walking around CITY , ITS proper ready game BUT i need some CUSTOMIZATION in IT BUT For now i need To customize missions FIRST in source code There is a prop placed on ground and IF i go near Then IT shows " PRESS F To pickup " , AFTER pick up , in corner game add a TEXT " STEAL A CAR " , When user go near car and SIT inside OF IT Then game shows " MISSION COMPLETE " So This basic SCRIPT is already in source code i WANT you To make IT Like mission A and mission B TOTAL - 10 MISSIONS 4 Missions like MISSION A and 6 missions like MISSION B , JUST DESTINATION and STARTING LOCATION will beDIFFERENT For each mission DETAILS FOR MISSION A AND B ( NO AI SETUP ) MISSION A - OUR USER CHARACTERS WALKING IN CITY THEN IN 1 CORNER A NON PLAYABLE CHARACTER STANDING HIS NEAR GROUND WILL GET HIGHLIGHT ( your work ) OUR USER GO TO THAT HIGHLIGHT AREA THEN POPUP APPEAR AND SHOW agar " drop me in park " AND IN BOTTOM THERE WILL BE ACCEPT BUTTON ONLY ( your work ) AFTER CLICKING ON ACCEPT , SHOW TEXT IN CORNER " DROP ON DESTINATION " ( source code show a TEXT in corner " STEAL A CAR " ) NON PLAYABLE CHARACTER START FOLLOWING OUR USER CHARACTER IN MINIMAP ( already in soruce code ) ADD MARK TO DESTINATION AUTOMATICALLY ( your work ) HIGHLIGHT ON DESTINATION POINT , SO USER KNOW HE HAVE TO GO TO THAT HIGHLIGHT AREA AND AFTER HE ARRIVE A HIGHLIGHTED AREA NON PLAYABLE CHARACTER STOP FOLLOWING OUR USER CHARACTER SHOW POPUP WITH MISSION COMPLETE TEXT AND IN BOTTOM ACCEPT BUTTON GAME CURRENCY TOKENS GET ADDED IN USER ACCOUNT ABD GET LEVEL UP POINTS ( level SYSTEM already in source code For exmple IF I kill non playable CHARACTER Then i GOT some level POINTS ) MISSION B - HIGHLIGHT GROUND NEAR NON PLAYABLE CHARACTER , OUT USER GO NEAR TO THAT HIGHLIGHTED AREA THEN VOICE NARRATION START WORKING ( look like non playable CHARACTER saying go To MARKET area " , i will provide voice and There is no use OF ANIMATIONS , popup user INTERFACE or ACCEPT BUTTON like mission a ) AFTER NON PLAYABLE CHARACTER STOP SPEAKING SHOW TEXT IN CORNER " GO TO MATKET AREA " ( source code already have " STEAL A CAR TEXT " explained in mission a ) OUT USER GO TO DESTINATION , GROUND GET HIGHLIGHT ON DESTINATION AREA , WHEN USER ARRIVE ON THAT HIGHLIGHTED AREA THEN SHOW TEXT WITH BACKGROUND ( source code mission show TEXT WITHOUT background ) , TOKENS CREDIT and GET POINTS TO LEVEL UP LIKE IN MISSION A ( level SYSTEM already in source code jusT ATTACH IT To This SCRIPT like explained in mission a ) I WILL PROVIDE - 2 CHARACTER MODELS ( 1 main user , 1 non playable CHARACTER , copy 1 non playable CHARACTER yourself For mission b ) , CITY MODELS , MINIMAP , TOKEN SYSTEM , BASIC SCRIPTS AND WHICHEVER NEEDED FROM SOURCE CODE , ANY RAW MATERIAL ( For exmple background For TEXT when user INTERFACE pop up during mission START and Finish )