Amazon DynamoDB · Schema
AttributeValue
Represents the data for an attribute. Each attribute value is described as a name-value pair with the data type as the name.
DatabaseDocument StoreKey-ValueNoSQLServerless
Properties
| Name | Type | Description |
|---|---|---|
| S | string | String attribute value |
| N | string | Number attribute value (sent as string) |
| B | string | Binary attribute value (Base64-encoded) |
| SS | array | String set attribute value |
| NS | array | Number set attribute value |
| BS | array | Binary set attribute value |
| M | object | Map attribute value |
| L | array | List attribute value |
| NULL | boolean | Null attribute value |
| BOOL | boolean | Boolean attribute value |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://raw.githubusercontent.com/api-evangelist/amazon-dynamodb/refs/heads/main/json-schema/dynamodb-openapi-attribute-value-schema.json",
"title": "AttributeValue",
"description": "Represents the data for an attribute. Each attribute value is described as a name-value pair with the data type as the name.",
"type": "object",
"properties": {
"S": {
"type": "string",
"description": "String attribute value"
},
"N": {
"type": "string",
"description": "Number attribute value (sent as string)"
},
"B": {
"type": "string",
"format": "byte",
"description": "Binary attribute value (Base64-encoded)"
},
"SS": {
"type": "array",
"description": "String set attribute value",
"items": {
"type": "string"
}
},
"NS": {
"type": "array",
"description": "Number set attribute value",
"items": {
"type": "string"
}
},
"BS": {
"type": "array",
"description": "Binary set attribute value",
"items": {
"type": "string",
"format": "byte"
}
},
"M": {
"type": "object",
"description": "Map attribute value",
"additionalProperties": {
"$ref": "#/components/schemas/AttributeValue"
}
},
"L": {
"type": "array",
"description": "List attribute value",
"items": {
"$ref": "#/components/schemas/AttributeValue"
}
},
"NULL": {
"type": "boolean",
"description": "Null attribute value"
},
"BOOL": {
"type": "boolean",
"description": "Boolean attribute value"
}
}
}
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