Credit transaction used for discharge

{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "type": "object",
    "title": "Credit transaction used for discharge",
    "description": "This event is generated when a credit transaction is used to discharge debt. The event is generated for each discharge, so a single credit transaction could result in multiple `discharge-1` events.",
    "properties": {
        "transaction_id": {
            "type": "integer",
            "description": "Credit transaction ID",
            "examples": [
                60659309
            ]
        },
        "statement_id": {
            "type": "integer",
            "description": "Transaction's statement ID",
            "examples": [
                100002556
            ]
        },
        "transaction_amount": {
            "type": "number",
            "description": "Credit transaction total amount",
            "examples": [
                240.48
            ]
        },
        "transaction_type_id": {
            "type": "integer",
            "description": "Credit transaction type ID",
            "examples": [
                201
            ]
        },
        "customer_id": {
            "type": [
                "integer",
                "null"
            ],
            "description": "Customer ID",
            "examples": [
                5217323
            ]
        },
        "account_id": {
            "type": "integer",
            "description": "Account ID",
            "examples": [
                5106089
            ]
        },
        "program_id": {
            "type": "integer",
            "description": "Program ID",
            "examples": [
                252
            ]
        },
        "program_type_id": {
            "type": "integer",
            "description": "Credit transaction program type ID",
            "examples": [
                1
            ]
        },
        "event_datetime": {
            "type": "string",
            "description": "Event date and time in ISO 8601 format",
            "format": "date-time",
            "examples": [
                "2020-07-06T05:09:33Z"
            ]
        },
        "target": {
            "$ref": "#/definitions/target"
        }
    },
    "definitions": {
        "target_item": {
            "type": "object",
            "properties": {
                "transaction_id": {
                    "type": "integer",
                    "description": "Debit transaction ID",
                    "examples": [
                        28318254
                    ]
                },
                "statement_id": {
                    "type": "integer",
                    "description": "Transaction's statement ID",
                    "examples": [
                        100002556
                    ]
                },
                "transaction_type_id": {
                    "type": "integer",
                    "description": "Debit transaction type ID",
                    "examples": [
                        112
                    ]
                },
                "customer_id": {
                    "type": [
                        "integer",
                        "null"
                    ],
                    "description": "Debit transaction customer ID",
                    "examples": [
                        5217323
                    ]
                },
                "account_id": {
                    "type": "integer",
                    "description": "Debit transaction account ID",
                    "examples": [
                        5106089
                    ]
                },
                "transaction_amount": {
                    "type": "number",
                    "description": "Debit transaction total amount",
                    "examples": [
                        118.9
                    ]
                },
                "amount": {
                    "type": "number",
                    "description": "Debit transaction discharge amount",
                    "examples": [
                        118.9
                    ]
                },
                "previous_balance": {
                    "type": "number",
                    "description": "Debit transaction previous balance before discharge",
                    "examples": [
                        118.9
                    ]
                },
                "final_balance": {
                    "type": "number",
                    "description": "Debit transaction final balance after discharge",
                    "examples": [
                        0.0
                    ]
                }
            },
            "required": [
                "transaction_id",
                "statement_id",
                "transaction_type_id",
                "account_id",
                "transaction_amount",
                "amount",
                "previous_balance",
                "final_balance"
            ]
        },
        "target": {
            "type": "array",
            "description": "Debit transactions discharged by the credit transaction",
            "items": {
                "$ref": "#/definitions/target_item"
            }
        }
    },
    "required": [
        "transaction_id",
        "statement_id",
        "transaction_amount",
        "transaction_type_id",
        "account_id",
        "program_id",
        "program_type_id",
        "event_datetime"
    ]
}