exporttypeUpdateExpressionValuesProps= { expressionAttributeName:string; // specifies expression attribute the value is being uploaded for value:string; // b64 data of new expression value expressionId?:string; // specifies expresion the value is being uploaded for expressionName?:string; assetId?:string; // if specified, the specified asset receives the new expression value assetIds?:string[]; // if specified, all assets in the array receive the new expression value collectionId?:string; // if specified, all assets in the collection receive the new expression value}