using getcomponent unity c# code example
Example 1: how to get component in unity c#
GetComponent<Rigidbody>(); //used to find component on character (rigid body can be changed)
GameObject.FindGameObjectWithTag("player"); //finds any game object in the scene with this tag
Example 2: unity gameobject.getcomponent
rb = GetComponent<Rigidbody>();
Example 3: unity get component
public GameObject Var; //only if the component you want is on a different gameObject
void Start(){
Var.GetComponent<Component>(); //just GetComponent<Component>(); if the component you want is on the same object as script
}