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https://issues.apache.org/jira/browse/FINERACT-1760?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adam Saghy reassigned FINERACT-1760:
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    Assignee: Adam Saghy

> Manage external IDs 
> --------------------
>
>                 Key: FINERACT-1760
>                 URL: https://issues.apache.org/jira/browse/FINERACT-1760
>             Project: Apache Fineract
>          Issue Type: New Feature
>            Reporter: Mihaly Dallos
>            Assignee: Adam Saghy
>            Priority: Major
>              Labels: PepperSoup
>
> h1. Introduction
> Transactions may change due to correction. Correction can be done by 
> reverting a transaction. This can lead to removing and adding transactions 
> back to an account. It results new ID distribution from the transaction 
> sequence. External systems may not want to follow up on these changes but 
> rather access transactions as they are at their end state. In order to be 
> able to direct client immediately to the right record an additional 
> identifier is to be used.
> Supporting externalId is a long time wanted functionality with two major 
> benefits:
>  * Not an auto incremented number (privacy, harder to guess)
>  * Not represent any internal state
> h2. Requirements
>  * 🟩 Supporting external id for identifying and fetching some if the entities 
> in Fineract
>  * 🟩 API enhancement to support targeting by external id
>  * ✅ External id can be provided in API request
>  * 🟩 Extend API response with external id
>  * 🟩 Support external id auto generation (configurable)
> *+External identifier+*
>  * Must be unique
>  * Immutable
>  * Customer (Caller) provided
>  * Ability to generate automatically (configurable)
> h3. *+Database+*
> External identifier field to be stored in the loan table
> {+}type{+}: String
> {+}indexing{+}: true
> h3. +Configuration+
> Enable to auto generate external id (if not provided).
> By default it should be disabled.
>  



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