public Object get(String name) {
        BoundField field = schema.get(name);
        if (field == null)
            throw new SchemaException("No such field: " + name);
        return getFieldOrDefault(field);
    }
Get the record value for the field with the given name by doing a hash table lookup (slower!)

@param name The name of the field
@return The value in the record
@throws SchemaException If no such field exists
clients/src/main/java/org/apache/kafka/common/protocol/types/Struct.java