def create_regex_entity_model(app_id, version_id, regex_entity_extractor_create_obj, custom_headers:nil)
      response = create_regex_entity_model_async(app_id, version_id, regex_entity_extractor_create_obj, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
def create_regex_entity_model(app_id, version_id, regex_entity_extractor_create_obj, custom_headers:nil)
      response = create_regex_entity_model_async(app_id, version_id, regex_entity_extractor_create_obj, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
Adds a regular expression entity model to a version of the application.

 @param app_id The application ID.
 @param version_id [String] The version ID.
 @param regex_entity_extractor_create_obj [RegexModelCreateObject] A model
 object containing the name and regex pattern for the new regular expression
 entity extractor.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [Uuid] operation results.