example-order.workflow.json

{
  "dsl": "abacus.workflow/1.0",
  "name": "example-order-dsl",
  "version": "1.0.0",
  "description": "The shipped example, authored as a document instead of C#.",

  "context": {
    "type": "object",
    "required": ["orderId", "amount"],
    "properties": {
      "orderId": { "type": "string", "minLength": 1 },
      "amount": { "type": "number", "minimum": 0 },
      "currency": { "type": "string", "default": "GBP" }
    }
  },

  "start": "price",
  "output": ["settle"],

  "nodes": [
    {
      "id": "price",
      "kind": "transform",
      "description": "Applies VAT and carries the order forward.",
      "set": {
        "orderId": "$ctx.orderId",
        "net": "$ctx.amount",
        "vat": "$ctx.amount * 0.2",
        "total": "$ctx.amount * 1.2",
        "currency": "coalesce($ctx.currency, 'GBP')"
      },
      "notify": {
        "name": "priced",
        "payload": { "order": "$.orderId", "total": "$.total" }
      }
    },
    {
      "id": "settle",
      "kind": "transform",
      "description": "Settles the order. Large ones need a human first.",
      "set": {
        "orderId": "$.orderId",
        "total": "$.total",
        "status": "'settled'"
      },
      "gate": {
        "mode": "conditional",
        "when": "$.total > 25000",
        "reason": "LargeSettlement",
        "requireApprovers": 1,
        "expiresAfter": "PT8H",
        "onExpiry": { "action": "deadStop" }
      }
    }
  ],

  "edges": [
    { "from": "price", "to": "settle" }
  ],

  "notifications": {
    "level": "standard",
    "stream": true
  },

  "onFailure": [
    { "match": { "exception": "ApiCallFailureException", "status": "5xx" }, "disposition": "retry" },
    { "match": { "exception": "WorkflowValidationException" }, "disposition": "deadStop" }
  ],

  "limits": { "maxAttempts": 3 }
}