public virtual void AddNewPropertyDefinitionToPageType(ContentType contentType, string hashedPropertyName, string editCaption, string helpText, TabDefinition tabDefinition)
        {
            var propertyDefinition = new PropertyDefinition
            {
                ContentTypeID    = contentType.ID,
                ID               = 0,
                DisplayEditUI    = true,
                EditCaption      = editCaption,
                ExistsOnModel    = false,
                HelpText         = helpText,
                LanguageSpecific = true,
                Name             = hashedPropertyName,
                Required         = false,
                Searchable       = false,
                Tab              = tabDefinition,
                Type             = _stringPropertyDefinitionType
            };

            _propertyDefinitionRepository.Service.Save(propertyDefinition);

            contentType = (ContentType)contentType.CreateWritableClone();
            contentType.PropertyDefinitions.Add(propertyDefinition);
            _contentTypeRepository.Service.Save(contentType);
        }
        public virtual void AddNewPropertyDefinitionToPageType(ContentType contentType, string hashedPropertyName, string editCaption, string helpText, TabDefinition tabDefinition)
        {
            var propertyDefinition = new PropertyDefinition
            {
                ContentTypeID = contentType.ID,
                ID = 0,
                DisplayEditUI = true,
                EditCaption = editCaption,
                ExistsOnModel = false,
                HelpText = helpText,
                LanguageSpecific = true,
                Name = hashedPropertyName,
                Required = false,
                Searchable = false,
                Tab = tabDefinition,
                Type = _stringPropertyDefinitionType
            };
            _propertyDefinitionRepository.Service.Save(propertyDefinition);

            contentType = (ContentType)contentType.CreateWritableClone();
            contentType.PropertyDefinitions.Add(propertyDefinition);
            _contentTypeRepository.Service.Save(contentType);
        }