# PmtId

Set of elements used to Reference a payment instruction.

* Is optional
* Type: `object`


With the following properties:

| Property | Type | Required | Description |
|  --- | --- | --- | --- |
| `ClrSysRef` | String | Optional | Unique reference, as assigned by a clearing system, to unambiguously identify the instruction. Maximum length: 35 characters. |
| `InstrId` | String | Optional | Unique identification, as assigned by an instructing party for an instructed party, to unambiguously identify the instruction. Maximum length: 35 characters. |
| `TxId` | String | Optional | Unique identification, as assigned by the first instructing agent, to unambiguously identify the transaction that is passed on, unchanged, throughout the entire interbank chain. Maximum length: 35 characters |
| `Uetr` | String | Optional | Unique End-to-end Transaction Reference, generated by the Payer and passed through, without modification by the payment participants through to the beneficiary. Maximum length: 36 charactersPattern: `^[a-f0-9]{8}-[a-f0-9]{4}-4[a-f0-9]{3}-[89ab][a-f0-9]{3}-[a-f0-9]{12}$` |


## JSON schema extract


```json
"PmtId": {
    "type": "object",
    "description": "Set of elements used to Reference a payment instruction.",
    "properties": {
        "InstrId": {
            "description": "Unique identification, as assigned by an instructing party for an instructed party, to unambiguously identify the instruction.",
            "type": "string",
            "maxLength": 35
        },
        "TxId": {
            "type": "string",
            "description": "Unique identification, as assigned by the first instructing agent, to unambiguously identify the transaction that is passed on, unchanged, throughout the entire interbank chain.",
            "maxLength": 35
        },
        "ClrSysRef": {
            "type": "string",
            "description": "Unique reference, as assigned by a clearing system, to unambiguously identify the instruction.",
            "maxLength": 35
        },
        "Uetr": {
            "type": "string",
            "pattern": "^[a-f0-9]{8}-[a-f0-9]{4}-4[a-f0-9]{3}-[89ab][a-f0-9]{3}-[a-f0-9]{12}$",
            "description": "Unique End-to-end Transaction Reference, generated by the Payer and passed through, without modification by the payment participants through to the beneficiary.",
            "maxLength": 36
        }
    }
}
```