Enforce component attachment

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1

My search skills must be failing me, or maybe I am asking the wrong question. I have a way in c# to programmatic enforce attached components. For example if I attach a specific script the script will cause an error if a rigid-body is not contented. But I can not seem to remember the syntax.

2

I think this is what you want. Note the lack of ; .

JScript.Net

   @script RequireComponent(Rigidbody)

C#

[RequireComponent (typeof (Rigidbody))]
class PlayerScript : MonoBehaviour {
    void FixedUpdate() {
        rigidbody.AddForce(Vector3.up);
    }
}

Examples from Unity Script Reference.