ABBYY FlexiCapture UiPath Connector

Dear everyone,

I trying to work with ABBYY UiPath Connector but in “Create Batch” activities.
But i don’t know how to create Key Value Pairs with the format <String,Byte>
I have already tried create a Key Value Pairs by:
new KeyValuePair( of String, Byte)( File_Name, File_Content)
But always show “Identifier expected” Error.
How can i solve this problem?