Unity_Invoke-Method-by-Stringname

using System.Reflection;

public class SCRIPNAME : MonoBehaviour
{

  private void Start()
    {
      var function = typeof("TYPENAME").GetMethod("METHODNAME", BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
      function.Invoke(this, null);
    }




  //EXAMPLE 1

  public void ItemCollected()
    {                                            //this.name matches the name of the script, so the function with the same name will be called
      var function = typeof(Collectable).GetMethod(this.name, BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
      function.Invoke(this, null);
    }

  
  //method with the same name as the script to be called. within the context of the example could be the name of an item
  private void SCRIPNAME()
    {
      Debug.Log("EXAMPLE1");
    }




  //EXAMPLE 2

  //BindingFlags are needed to call private functions only

  public void EXAMPLE2()
    {                                            //this.name matches the name of the script, so the function with the same name will be called
      var function = typeof(Collectable).GetMethod(METHODNAME);
      function.Invoke(this, null);
    }  

  //necessarily public method to be called
  public void METHODNAME()
    {
      Debug.Log("EXAMPLE2");
    }
   
   
   
   
  //EXAMPLE 3

//again using BindingFlags, but storing type in a flag

       void Start()
     {
         //returns the type of this component
         Type thisType = this.GetType();
         MethodInfo theMethod = thisType.GetMethod("bla", BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
         theMethod.Invoke(this, null);
     }
 
     private void METHODNAME()
     {
         Debug.Log("EXAMPLE3");
     }

}