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Frequently Asked Questions (FAQ)

The id field in the error report is missing when it should be present?

If the id field isn't populated then it will be due to the fact that the key field is not present in the entity you are looking up against. The key_fields/key_fields is sourced from a dictionary lookup sourced in the data contract, so new entities defined within the business_rules won't have this lookup and it will result in the column not being populated. To get around this issue for entities without a defined key_field you can use the original_entity_override key to define the entity you want to source your key_field/key_fields from. You may find an example below.

Example 
"filters": [
    {
        "entity": "entity_not_defined_in_data_contract",
        "name": "my rule",
        "expression": "a < b",
        "original_entity_override": "entity_defined_in_data_contract"
    }
]