# Projectile
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**COPY/PASTE PARAMETERS**
New in GM 0.11! Right click on a behaviour or component to copy. Then open an object, add the same behaviour or component, and right click it to paste identical parameter settings.
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Launch an object at a custom speed and trajectory. Send a message when the object collides with specified target objects.
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[Build Singleplayer & Multiplayer Logic](/en/creator/game-maker/docs/build-singleplayer-and-multiplayer-logic.md) - about **\[SP]** or **\[MP]** behaviours or components.
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## Projectile
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Use an [Asset Spawner](/en/creator/game-maker/docs/behaviours/modifiers/asset-spawner.md) behaviour to trigger a projectile to launch more than once in your Experience. Set **Start with Experience** to true to launch the projectile whenever spawned.
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* Set force, trajectory, gravity on/off, collider size, collision target, VFX, and visibility of the trajectory
* Send a message with precision when the projectile touches a collision target
* Customize Visual FX
* Use [**Asset Spawner**](/en/creator/game-maker/docs/behaviours/modifiers/asset-spawner.md) to spawn projectiles or combine with other logic for innovative gameplay
### Communications
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Inputs: One or more messages
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Outputs: One message sent upon collision (new CollidedActors Broadcast Type)
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### Use Cases
* High or low speed projectile use cases
* Communicating messages when ranged collisions with specific targets are achieved (including teams, tags, etc)
* Player decision making using visible trajectories
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Use an[ **Asset Spawner**](/en/creator/game-maker/docs/behaviours/modifiers/asset-spawner.md) behaviour to spawn an object with [**Projectile**](/en/creator/game-maker/docs/behaviours/movement/projectile.md) behaviour applied.
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### Parameters
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The parameter **Is Visble During Game** is a toggle to turn on/off the blue line or arc of the projectile's motion. Toggle it on as aim assist for projectiles that are spawned from movable objects.
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