Create Hooks for Odin Notification Handlers

Odin Notification Handler APIs provide an option to let you write custom pre and post-hooks for each API to implement custom logic.

Pre-hooks execute before the actual handler API executes. Post-hooks execute after the actual handler API executes.

Here is an example of how to write a hook for an Order Item Assetize Notification:

Write the custom class to implement the pre and post-hook.

Here is sample code for an Order Item Assetize hook:

global with sharing class OdinOIAssetizeHandlerHookImplementation implements vlocity_cmt.VlocityOpenInterface
{
    global Boolean invokeMethod(String methodName, Map<String, Object> input, Map<String, Object> output, Map<String, Object> options) 
    {

        if( methodName.equalsIgnoreCase('processNotifications.PreInvoke')) {
            processNotifications_PreInvoke(methodName, input, output,options);
            return true;
        }

        if( methodName.equalsIgnoreCase('processNotifications.PostInvoke')) {
            processNotifications_PostInvoke(methodName, input, output,options);
            return true;
        }

        return false;

    }


    private void processNotifications_PreInvoke(String methodName, Map<String, Object> input, Map<String, Object> output, Map<String, Object> options) {
        //This method gets called before processNotifications
        List<Object> notificationList = (List<Object>) input.get('notificationList');
        List<Map<String, Object>> notifMapList = convertToListOfMap(notificationList);
        for (Map<String, Object> oneNotifMap : notifMapList)
        {
            //Write your logic here
        }
    }


    private void processNotifications_PostInvoke(String methodName, Map<String, Object> input, Map<String, Object> output, Map<String, Object> options) {
        //This method gets called after processNotifications
        List<Object> notificationList = (List<Object>) input.get('notificationList');
        List<Map<String, Object>> notifMapList = convertToListOfMap(notificationList);
        for (Map<String, Object> oneNotifMap : notifMapList)
        {
            //Write your logic here
        }
    }

    private List<Map<String, Object>> convertToListOfMap(List<Object> notificationList) {
        List<Map<String, Object>> notificationMapList = null;
        if (notificationList != null) {
            notificationMapList = new List<Map<String, Object>>();
            for (Object oneNotifObj : notificationList) {
                notificationMapList.add((Map<String, Object>) oneNotifObj);
            }
        }
        return notificationMapList;
    }
}

Create the interface implementation:
- From the App Launcher, click Interface Implementations.
- Click New.
- In the New Interface Implementation dialog, enter the following:
  - Interface Name: OdinOrderItemAssetizeHandlerHookInterface
  - Active Implementation Class: OdinOIAssetizeHandlerHookImplementation
- Click Save.
Create the interface implementation detail:
- Click the Related tab for your newly created OdinOrderItemAssetizeHandlerHookInterface interface implementation.
- Beside Interface Implementation Detail, click New.
- In the New Interface Implementation Detail dialog, enter OdinOIAssetizeHandlerHookImpl for the Available Implementation.
- Click Active to make this implementation the active implementation.
- Click Save.

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Create Hooks for Odin Notification Handlers

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Create Hooks for Odin Notification Handlers