Experimental: This feature is currently experimental and is subject to change in later major versions. To use this feature, enable Experimental Operators/Blocks in the Visual Effects tab of your Project's Preferences.

# Spawner Callbacks

Spawner Callbacks is a C# API that allows you to define custom runtime behavior and create new Blocks for use in Spawn Contexts.

Spawner Callbacks allow you to:

• Control the Spawn Context state (Playing, Stopped, Delayed).
• Read/Write the Output Spawn Count.
• Read/Write SpawnEvent Attributes.

Writing Spawner Callbacks

The full Spawner Callbacks API reference is available here.