# Cost optimization recommendations columns



| Column name | Description | Data type | Null value allowed | 
| --- | --- | --- | --- | 
| account\$1id | The account ID that the recommendation is for. | string | No | 
| account\$1name | The account name that the recommendation is for. | string | No | 
| action\$1type | The type of action you can take by adopting the recommendation. | string | No | 
| currency\$1code | The currency code used for the recommendation. | string | No | 
| current\$1resource\$1details | The details for the resource in JSON string format. | string | Yes | 
| current\$1resource\$1summary | A description of the current resource. | string | Yes | 
| current\$1resource\$1type | The type of resource. | string | Yes | 
| estimated\$1monthly\$1cost\$1after\$1discount | The estimated monthly cost of the current resource after discounts. For Reserved Instances and Savings Plans, it refers to the cost for eligible usage. | double | Yes | 
| estimated\$1monthly\$1cost\$1before\$1discount | The estimated monthly cost of the current resource before discounts. For Reserved Instances and Savings Plans, it refers to the cost for eligible usage. | double | No | 
| estimated\$1monthly\$1savings\$1after\$1discount | The estimated monthly savings amount for the recommendation after discounts. | double | Yes | 
| estimated\$1monthly\$1savings\$1before\$1discount | The estimated monthly savings amount for the recommendation before discounts. | double | No | 
| estimated\$1savings\$1percentage\$1after\$1discount | The estimated savings percentage after discounts relative to the total cost over the cost calculation lookback period. | double | Yes | 
| estimated\$1savings\$1percentage\$1before\$1discount | The estimated savings percentage before discounts relative to the total cost over the cost calculation lookback period. | double | No | 
| implementation\$1effort | The effort required to implement the recommendation. | string | No | 
| last\$1refresh\$1timestamp | The time when the recommendation was last generated. | timestamp | No | 
| recommendation\$1ID | The ID for the recommendation. | string | No | 
| recommendation\$1lookback\$1period\$1in\$1days | The lookback period that's used to generate the recommendation. | integer | No | 
| recommendation\$1source | The source of the recommendation. | string | No | 
| recommended\$1resource\$1details | The details about the recommended resource in JSON string format. | string | Yes | 
| recommended\$1resource\$1summary | A description of the recommended resource. | string | Yes | 
| recommended\$1resource\$1type | The resource type of the recommendation. | string | Yes | 
| region | The AWS Region of the resource. | string | Yes | 
| resource\$1arn | The Amazon Resource Name (ARN) of the resource. | string | Yes | 
| restart\$1needed | Whether or not implementing the recommendation requires a restart. | boolean | No | 
| rollback\$1possible | Whether or not implementing the recommendation can be rolled back. | boolean | No | 
| tags | A list of tags associated with the resource for which the recommendation exists. | map | Yes |