How to stop player movement during dialog?,I don't know what i can write after "if" to stop player movement during dialog

I don't know what i can write after "if" to stop player movement during dialog referring to another script responsible for it, please help :(

using System.Collections; using System.Collections.Generic; using UnityEngine; using TMPro;

public class piotrekDialog : MonoBehaviour { public TextMeshProUGUI textDisplay; public string[] sentences; private int index; public float typingSpeed; public GameObject continueButton; public playerMovement playerMovementScript;

 void Start()
 {
     StartCoroutine(Type());
 }

 void Update()
 {
     if (textDisplay.text == sentences[index])
     {
         continueButton.SetActive(true);
     }

     if (textDisplay.text == sentences[index])

         playerMovementScript.playerControlsEnabled = false;
     else
     {
         playerMovementScript.playerControlsEnabled = true;
     }

     if (/* I don't know what to write here*/)
         playerMovementScript.playerControlsEnabled = false;
     else
     {
         playerMovementScript.playerControlsEnabled = true;
     }      
 }

 IEnumerator Type()
 {
     foreach (char letter in sentences[index].ToCharArray())
     {
         textDisplay.text += letter;
         yield return new WaitForSeconds(typingSpeed);
     }
 }

 public void NextSentence()
 {
     continueButton.SetActive(false);

     if (index < sentences.Length - 1)
     {
         index++;
         textDisplay.text = "";
         StartCoroutine(Type());
     }
     else
     {
         textDisplay.text = "";
         continueButton.SetActive(false);
     }
 }

},I don't know what i can write after "if" to stop player movement during dialog referring to another script responsible for it, please help :(

using System.Collections; using System.Collections.Generic; using UnityEngine; using TMPro;

public class piotrekDialog : MonoBehaviour { public TextMeshProUGUI textDisplay; public string[] sentences; private int index; public float typingSpeed; public GameObject continueButton; public playerMovement playerMovementScript;

 void Start()
 {
     StartCoroutine(Type());
 }

 void Update()
 {
     if (textDisplay.text == sentences[index])
     {
         continueButton.SetActive(true);
     }

     if (textDisplay.text == sentences[index])

         playerMovementScript.playerControlsEnabled = false;
     else
     {
         playerMovementScript.playerControlsEnabled = true;
     }

     if (/* I don't know what to write here*/)
         playerMovementScript.playerControlsEnabled = false;
     else
     {
         playerMovementScript.playerControlsEnabled = true;
     }      
 }

 IEnumerator Type()
 {
     foreach (char letter in sentences[index].ToCharArray())
     {
         textDisplay.text += letter;
         yield return new WaitForSeconds(typingSpeed);
     }
 }

 public void NextSentence()
 {
     continueButton.SetActive(false);

     if (index < sentences.Length - 1)
     {
         index++;
         textDisplay.text = "";
         StartCoroutine(Type());
     }
     else
     {
         textDisplay.text = "";
         continueButton.SetActive(false);
     }
 }

}