Unity - Scripting API:

public function Emit(count: int): void;

public void Emit(int count);

Parameters

Emit count particles immediately.

public function Emit(position: Vector3, velocity: Vector3, size: float, lifetime: float, color: Color32): void;

public void Emit(Vector3 position, Vector3 velocity, float size, float lifetime, Color32 color);

position	The position of the particle.
velocity	The velocity of the particle.
size	The size of the particle.
lifetime	The remaining lifetime of the particle.
color	The color of the particle.

Emit a single particle with given parameters.

public function Emit(particle: Particle): void;

public void Emit(Particle particle);

Emit a single particle.