Cost explorer boto3 "Charge type"

Question

in Cost explorer UI there is a filter "Charge type"
How could I apply the same filter using boto3?

As a reference I'm using documentation for boto3 CostExplorer.Client.get_cost_and_usage
https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/ce.html#CostExplorer.Client.get_cost_and_usage

I dont see anywhere in documentation filter description for "Charge type".

I tried to specify 
                {
                    "Not":
                        {
                            'Dimensions': {
                                'Key': 'CHARGE_TYPE',
                                'Values': ['Refund']
                            }
                        }
                }

but received an error:

botocore.exceptions.ClientError: An error occurred (ValidationException) when calling the GetCostAndUsage operation: Dimension CHARGE_TYPE is not allowed. Allowed dimension(s): SAVINGS_PLAN_ARN, RESERVATION_ID, AZ, CACHE_ENGINE, INSTANCE_TYPE_FAMILY, INSTANCE_TYPE, SAVINGS_PLANS_TYPE, PURCHASE_TYPE, INVOICING_ENTITY, LINKED_ACCOUNT, REGION, SERVICE, LEGAL_ENTITY_NAME, USAGE_TYPE, PLATFORM, USAGE_TYPE_GROUP, OPERATION, OPERATING_SYSTEM, DATABASE_ENGINE, TENANCY, BILLING_ENTITY, RECORD_TYPE, DEPLOYMENT_OPTION

Answer

There is a description of each of the dimensions located here: https://docs.aws.amazon.com/aws-cost-management/latest/APIReference/API_GetDimensionValues.html

You are looking for RECORD_TYPE.

Answer

Correct keyword to use Charge Type in boto3 is using RECORD_TYPE. For more info,[ click here](https://docs.aws.amazon.com/aws-cost-management/latest/APIReference/API_GetDimensionValues.html)

Example:-

```
Filter={
        "Not":
        {
            'Dimensions':{
            'Key': 'RECORD_TYPE',
            'Values':['Credit','Refund']
             }
        }
    },
```
Add the above code to your **get_cost_and_usage()** function and you can exclude credits.

Cost explorer boto3 "Charge type"

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