Add missing expression attribute names to example
Missing expression attribute names in example causes error `An expression attribute value used in expression is not defined`
@@ -37,6 +37,7 @@ func ExampleBuilder_WithProjection() {
// Use the built expression to populate the DynamoDB Query's API input
// parameters.
input := &dynamodb.QueryInput{
+ ExpressionAttributeNames: expr.Names(),
ExpressionAttributeValues: expr.Values(),
KeyConditionExpression: expr.KeyCondition(),
ProjectionExpression: expr.Projection(),
