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description: Step 2 of 3 in setting up custom collision with Quest Map Pro
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# Changing Actor Object Types

Now that you have a new object response channel, you will need to tell the Quest Map Pro actors to use it. Use a content browser to navigate to **Content/QuestMap/Blueprints/Actors/WorldObjects** and open up **all actors** in this folder, except for **BP\_QuestMapPro\_TravelPoint.**

<figure><img src="https://lh6.googleusercontent.com/1qNiH0UcGnHQEAvHKN6UCRxXS1AeMbIFerEyY8QsdLCJVF3kELGG2C-Ox7Sbhmln7tJfrPSYLMiCX2Xf5_XFScgZWNoR2H6SSzPiwPkkHa5m4pTBGQkoEajjHrI8oMd1ocAfh-Xa7k0hgpvDyLb6pQs" alt=""><figcaption></figcaption></figure>

For each of these actors, you will need to set the Object Type in the Collision Presets for their collision volumes. To do this, click on the collision volume and find the **Collision** section in the details panel. Set the **Collision Presets** to **Custom…** and change the **Object Type** to the new object response channel made in step one (_QuestMapPro_ in this tutorial).

<figure><img src="https://lh4.googleusercontent.com/RSg4IGbYvBj54cqalmWTGxMCNOWu4OXkchQEhfZmjIkx3TY0SnQfOYo5uVaaK1OSZhbfbPUFoyiLUxkiOD9ssk1rVByMR0MQfDKYvXvPlS3rOa2gDTWOLKSegAECFV5OE0laRBTUdeq4M17mSewUCMs" alt=""><figcaption></figcaption></figure>

This must be done for the following components in the open actors:

* **OverlapTrigger** in **BP\_QuestMapPro\_HiddenObject**
* **OverlapTriggerBox**, **OverlapTriggerSphere** and **OverlapTriggerCapsule** in **BP\_QuestMapPro\_Landmark**
* **OverlapTrigger** in **BP\_QuestMapPro\_POI**
* **QuestArea** in **BP\_QuestMapPro\_Quest**
* **Discovery** in **BP\_QuestMapPro\_Waypoint**

Be sure to save each actor after this step to ensure there are no issues with unsaved changes.

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th data-hidden></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td>Go Back:</td><td><strong>Creating a New Collision Object Channel</strong></td><td></td><td><a href="creating-a-new-collision-object-channel">creating-a-new-collision-object-channel</a></td></tr><tr><td>Next Step:</td><td><strong>Update Character Helper Overlaps</strong></td><td></td><td><a href="update-character-helper-overlaps">update-character-helper-overlaps</a></td></tr></tbody></table>
