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Dynamics 365 Community / Forums / Microsoft Dynamics CRM (Archived) / Possibility to write a...
Microsoft Dynamics CRM (Archived)

Possibility to write a listener running on crm instance

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Posted on by Community Member

Hi,

I need to receive a message sent by another application to dynamics crm. This message cannot be sent in a format which is understood by dynamics crm, so I need to convert the message first.

I know that this is possible using a middleware which would do the converting part.

Are there any possibility to build something which runs on the crm instance itself? An aspx page or something like that? The page itself should be public so it should be accessible without authentication.

Thanks for the ideas

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  • Suggested answer
    Joe Gill Profile Picture
    Joe Gill on at
    RE: Possibility to write a listener running on crm instance

    Hi Donny,

    Finally did a post on a solution that might work for you

    joegilldotcom.blogspot.ie/.../message-listener-with-no-code-json.html

    hth

    Joe

  • Tim Dutcher Profile Picture
    Tim Dutcher 2,100 on at
    RE: Possibility to write a listener running on crm instance

    I agree with Joe that the typical approach is to creating a message queue listener, for example an Azure Function or WebJob, to read in messages, translate them and perform CRUD operations in CRM.

    Occasionally, there's a need to write a polling-based service, such as a Windows Service, to read data from somewhere (file drop, new records in a database, etc.) and update CRM accordingly.

    CRM itself doesn't have a timer job that would facilitate a polling operation, but I've toyed with the idea of using an Azure Function, which can run on a schedule, to update a custom "Current Time" entity record in CRM every minute or so. Then, a plug-in can fire on the update of that record and spin off necessary polling or other time-based operations.  Now that I write this, it sounds like a bad idea... but sometimes we need to think outside the box.  :-)

  • Suggested answer
    Joe Gill Profile Picture
    Joe Gill on at
    RE: Possibility to write a listener running on crm instance

    Hi Donny,

    Usually messages listeners are hosted outside of Dynamics CRM and an example of this can be found here

    alexanderdevelopment.net/.../using-rabbitmq-as-a-message-broker-in-dynamics-crm-data-interfaces-part-5

    That said for small deployments I have used email as a transport mechanism. I have created an email queue and then written a plug in that parses incoming received emails and updates CRM

    hth

    Joe

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