> Source: https://fivemad.com/docs/videos/codewalker-map-editing > Section: Video tutorials > Level: Intermediate > Site map for assistants: https://fivemad.com/llms.txt # CodeWalker and map editing Use CodeWalker to explore the map, create and edit YMAPs, add and remove props, merge maps and understand MLO collisions and occlusion. 7 videos, 1 h 7 min in total. The videos are on YouTube and are not ours. ## Lessons 1. [Introduction to Modding GTA V | Beginners Guide Part 1: CodeWalker Essentials](https://www.youtube.com/watch?v=DpzOXsbFF2M) by ook_3D (4:05) CodeWalker essentials: installing it, navigating the world and the tools you'll use. 2. [Modifying and Creating YMAPs | Beginners Guide Part 2: CodeWalker Essentials](https://www.youtube.com/watch?v=rm6QG6rLM3o) by ook_3D (4:09) Modifying and creating YMAPs in CodeWalker, the core of map editing. 3. [Making Custom YMAPS Using Code Walker - FiveM](https://www.youtube.com/watch?v=z3QwE87YtDk) by Twisle (6:25) Making a custom YMAP for a FiveM server and streaming it. 4. [HOW TO BUILD A MAPMOD/ ADD A PROP AND USE CODEWALKER #fivem [UPDATED]](https://www.youtube.com/watch?v=QZtFRk6ANm0) by RIB SOSAY (14:05) Building a map mod by adding props in CodeWalker, a popular hands-on guide. 5. [[GTA/Fivem] How to remove props from the world](https://www.youtube.com/watch?v=9GddiFy6nhQ) by Ottoerich (3:41) Removing base game props from the world cleanly. 6. [How to merge maps using codewalker [FIVEM]](https://www.youtube.com/watch?v=WMek-S1QU_I) by The Kong On Top (20:50) Merging several maps into one with CodeWalker to avoid conflicts. 7. [How to make a MLO for FiveM (Collisions & Occulsions)](https://www.youtube.com/watch?v=QQb1utnKFUs) by RIB SOSAY (13:38) Collisions and occlusion for MLOs: why interiors flicker or let players fall through, and how to fix it.