{
"Comment": "Booking amendment workflow: re-validate an existing confirmed booking, hold for processing, re-check capacity and hazmat in parallel, then confirm or cancel",
"StartAt": "SetAmendmentMeta",
"States": {
"SetAmendmentMeta": {
"Type": "Pass",
"Parameters": {
"amendmentId.$": "States.Format('AMD-{}-{}', $.bookingId, $$.Execution.Name)",
"amendmentStatus": "PENDING",
"booking.$": "$"
},
"Next": "ValidateAmendedBooking"
},
"ValidateAmendedBooking": {
"Type": "Task",
"Resource": "${ValidateBookingFunctionArn}",
"ResultPath": "$.validation",
"Next": "IsAmendmentValid"
},
"IsAmendmentValid": {
"Type": "Choice",
"Choices": [
{
"Variable": "$.validation.Payload.isValid",
"BooleanEquals": true,
"Next": "AmendmentProcessingHold"
}
],
"Default": "CancelAmendment"
},
"AmendmentProcessingHold": {
"Type": "Wait",
"Seconds": 5,
"Next": "CarrierAndHazmatReCheck"
},
"CarrierAndHazmatReCheck": {
"Type": "Parallel",
"Branches": [
{
"StartAt": "ReCheckCarrierCapacity",
"States": {
"ReCheckCarrierCapacity": {
"Type": "Task",
"Resource": "${CheckCarrierCapacityFunctionArn}",
"End": true
}
}
},
{
"StartAt": "ReVerifyHazmat",
"States": {
"ReVerifyHazmat": {
"Type": "Task",
"Resource": "${VerifyHazmatFunctionArn}",
"End": true
}
}
}
],
"ResultPath": "$.reChecks",
"Next": "IsAmendmentApproved"
},
"IsAmendmentApproved": {
"Type": "Choice",
"Choices": [
{
"And": [
{
"Variable": "$.reChecks[0].Payload.isCapacityAvailable",
"BooleanEquals": true
},
{
"Variable": "$.reChecks[1].Payload.isHazmatCompliant",
"BooleanEquals": true
}
],
"Next": "ConfirmAmendedBooking"
}
],
"Default": "CancelAmendment"
},
"ConfirmAmendedBooking": {
"Type": "Task",
"Resource": "${ConfirmBookingFunctionArn}",
"ResultPath": "$.confirmation",
"Next": "AmendmentConfirmed"
},
"CancelAmendment": {
"Type": "Task",
"Resource": "${CancelBookingFunctionArn}",
"Parameters": {
"cancelReason": "Amendment could not be fulfilled",
"cancelReasonCode": "AMENDMENT_REJECTED",
"booking.$": "$.booking"
},
"ResultPath": "$.cancellation",
"Next": "AmendmentRejected"
},
"AmendmentConfirmed": {
"Type": "Succeed"
},
"AmendmentRejected": {
"Type": "Succeed"
}
}
}Expand
100%
Logistics teams can use patterns like this to build reliable, compliant, and scalable automation for payment systems and can test and refine these flows locally with Thrubit to reduce cloud cost and speed up iteration.