The thickness of the characters outline. Setting this value will result in an instance of the font material. Float range is from 0.0 to 0.5.
using UnityEngine; using System.Collections; using TMPro; public class ExampleClass : MonoBehaviour { void Awake() { TextMeshPro textmeshPro = GetComponent<TextMeshPro>(); textmeshPro.outlineWidth = 0.2f; } }