Skip to documentation
HL7 integration

Send HL7 Message

Perform Send HL7 Message through HL7.

View as Markdown
hl7_send_message
writehl7_mllp

Use in a workflow

Copy the discovered node config and fill its params from the input contract. Validate the complete graph before publishing. Integration results use {{node_id.default.field}}. Check business success before dependent writes; completion alone does not prove success.

{
  "_group": "HL7",
  "params": {
    "wait_for_ack": true,
    "ack_timeout_seconds": 30
  },
  "handler": "hl7_send_message"
}

Action contracts and connections · Run recovery

Inputs

  • message
    expressionrequired
    Message

    Required literal value or workflow expression.

  • wait_for_ack
    boolean
    Wait For Ack

    Optional true-or-false value.

    Default: true

  • ack_timeout_seconds
    number
    Ack Timeout Seconds

    Optional numeric value.

    Default: 30

Outputs

  • successSuccess
  • ack_codeAck Code
  • ack_textAck Text
  • control_idControl Id
  • acknowledgedAcknowledged
  • failure_categoryFailure Category
  • errorError
  • error_typeError Type

Output schema completeness: best_effort_declared

Safety

External effect
write
Confirmation recommended
No
Retry safe
No
Dry run supported
No

Schemas

These schemas are first-pass authoring guidance. Runtime validation remains authoritative.

Input schema
{
  "type": "object",
  "required": [
    "message"
  ],
  "properties": {
    "message": {
      "description": "Required literal value or workflow expression.",
      "x-workflow-field-type": "expression"
    },
    "wait_for_ack": {
      "type": "boolean",
      "default": true,
      "description": "Optional true-or-false value.",
      "x-workflow-field-type": "boolean"
    },
    "ack_timeout_seconds": {
      "type": "number",
      "default": 30,
      "description": "Optional numeric value.",
      "x-workflow-field-type": "number"
    }
  },
  "additionalProperties": false
}
Output schema
{
  "type": "object",
  "properties": {
    "error": {},
    "success": {},
    "ack_code": {},
    "ack_text": {},
    "control_id": {},
    "error_type": {},
    "acknowledged": {},
    "failure_category": {}
  },
  "additionalProperties": true
}
View all HL7 actions