def begin_update(resource_group_name, registry_name, build_task_name, step_name, build_step_update_parameters, custom_headers:nil)
      response = begin_update_async(resource_group_name, registry_name, build_task_name, step_name, build_step_update_parameters, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
def begin_update(resource_group_name, registry_name, build_task_name, step_name, build_step_update_parameters, custom_headers:nil)
      response = begin_update_async(resource_group_name, registry_name, build_task_name, step_name, build_step_update_parameters, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
Updates a build step in a build task.

 @param resource_group_name [String] The name of the resource group to which
 the container registry belongs.
 @param registry_name [String] The name of the container registry.
 @param build_task_name [String] The name of the container registry build
 task.
 @param step_name [String] The name of a build step for a container registry
 build task.
 @param build_step_update_parameters [BuildStepUpdateParameters] The
 parameters for updating a build step.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [BuildStep] operation results.