text: export const variableStringSchema = editor => {
  	editor.model.schema.register('variable_string', {
  		isBlock: true,
  		isObject: true,
  		allowIn: ['paragraph', 'contract_block'],
  		allowAttributes: [
  			'auto_populate',
  			'block_options',
  			'help_text',
  			'id',
  			'initial_value',
  			'required',
  			'variable_name',
  			'variable_type'
  		]
  	});
  };
  