terraform.azure.automation/modules/azure_rtb/outputs.tf

output "ids" {
  value       = azurerm_route_table.azrtb[*].id
  description = "List of route table ids."
}

output "subnets" {
  value       = azurerm_route_table.azrtb[*].subnets
  description = "List of subnets associate to route table."
}