When a pre-auth is successfully opened, TTA returns a Pre-Auth Completion Reference. This reference must be stored by the POS and used for all future actions on the pre-auth.
IPreAuthCompletionResult IncreasePreAuth(
string completionReference,
int amount,
string? merchantID = null,
string? terminalID = null,
string? transactionId = null
)Task<IPreAuthCompletionResult> IncreasePreAuthAsync(
string completionReference,
int amount,
string? merchantID = null,
string? terminalID = null,
string? transactionId = null
)| Parameter | Description |
|---|---|
| completionReference | Identifier from the original pre-auth |
| amount | Incremental amount (in cents) |
| merchantID | Optional override |
| terminalID | Optional override |
| transactionId | Optional override |