public class GetDataWithEvent : UdonSharpBehaviour
{
    public void Prism_Data = ""; // Variable that is received when an event occurs and updated with processed data.

    public void OnPrismReady() { return; } //Occurs when the prism system is ready.
    public void OnPrismStart() { return; } //Occurs when the Prism system receives data.
    public void OnPrismFrameChange() { return; } //Occurs when the prismatic system starts reading the next frame of the data.
    public void OnPrismFrameReadEnd() { return; } //Occurs when the Prism system has read all the current frames.
    public void OnPrismReadEnd() { return; } //Occurs when the Prism system reads all received data.


    public void OnPrismException() //Occurs when the Prism system reads all received data.
    { 
      Debug.LogError(Prism_Data); // When an exception occurs, the Prism_Data variable is updated with an exception message.
      return; 
    } 
}

using Prism;

public class GetData : UdonSharpBehaviour
{
    public DataReader DataReader;

    public override void Interact()
    {
        Debug.Log(DataReader.Data);
    }
}