This action code allows you to capture the transaction at the same time you authorize it. Use this if you ship same day and there is no variation in amount.
For testing, set the following fields after selecting the "Try It" button
externalReferenceID = Unique record identifier for processing - you assign Numeric Min = 16 Max 19
transactionDate = Set to UTC timezone, Format 2020-09-15T17:01:01
Link to UTC time = https://time.is/UTC