def begin_create_or_update(resource_group_name, hub_name, relationship_link_name, parameters, custom_headers:nil)
      response = begin_create_or_update_async(resource_group_name, hub_name, relationship_link_name, parameters, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
def begin_create_or_update(resource_group_name, hub_name, relationship_link_name, parameters, custom_headers:nil)
      response = begin_create_or_update_async(resource_group_name, hub_name, relationship_link_name, parameters, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
Creates a relationship link or updates an existing relationship link within a
 hub.

 @param resource_group_name [String] The name of the resource group.
 @param hub_name [String] The name of the hub.
 @param relationship_link_name [String] The name of the relationship link.
 @param parameters [RelationshipLinkResourceFormat] Parameters supplied to the
 CreateOrUpdate relationship link operation.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [RelationshipLinkResourceFormat] operation results.