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How create this effect?

How create this effect? I tried to make a similar effect using line trace to object from the camera to the character, and applying material with transparency, but the effect is not the same.
Does anyone have any ideas?

https://forums.unrealengine.com/core/image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAQAAAAngNWGAAAA/0lEQVR4AYXNMSiEcRyA4cfmGHQbCZIipkuxnJgMStlMNmeyD2dwmc8+sZgxYJd9ErIZFHUyYYD7fkr6l4/rnvmtl7+KitrqV/fq2Y5eLY3Z9S48eRLe7BmVZ9qhTLhQ0algzZWQOVKSsCF8OjAnwbxDTWFDUhPK/jMr1H6HE/IqRky2DyvCefuwItwZzodVoYRiLqMkVCXrwpJ9twZ+sgfDYEFYl8wIWxZ9uFf7zkallxlJh4YrLGsKjZRx7VGHhLqwgFUN45DGdb8MeXGpgB4ABZdeDcpZEY51A+hyLKz4S1W4MQWm3AibWtgWmk6dyISa1pSdyWTOlLXVp0+eL9D/ZPfBTNanAAAAAElFTkSuQmCC