If Check for serialized flag enums in Editor scripting

How do i write this

**if( (spawnPointType & SpawnPointTypes.HiddenSpawn) == SpawnPointTypes.HiddenSpawn)
{
bla... blaa...
}**

for seriazlied property in unity editor’s OnInspectorGUI method.

 [CustomEditor(typeof(SpawnPoint))]
    
    public class SpawnPointEditor : Editor
    {
    SerializedObject myObj;
    public SerializedProperty spawnPointTypeMask;
    
    void OnEnable ()
    		{
    				myObj = new SerializedObject (target);
    				spawnPointTypeMask = myObj.FindProperty ("spawnPointType");

    		}
    	public override void OnInspectorGUI ()
    		{
    				serializedObject.Update ();
    
    				spawnPointTypeMask.intValue = (int)((SpawnPointTypes)EditorGUILayout.EnumMaskField
    		                                    ("SpawnPointType", (SpawnPointTypes)spawnPointTypeMask.intValue));
    				
    //THE SAME IF CHECK FOR SERIALIZED ENUMS
`// WHAT TO WRITE IN IF STATEMENT`
     **if( ? ? ? )
    {
    bla.. blaa..
    }**
    
    		
    				serializedObject.ApplyModifiedProperties ();
    		}
}

Anyone???