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Bhargav SurapaneniBhargav Surapaneni 

How to update records in salesforce using platfrom events from external systems

Hi,

I have a requriement to update fields in contact by matching the old value and update that contact with new value.

We are planning to use platform events as a solution.

I have created a custom platfrom event object.

So my question is how external application will send data to this custom object and how to update the contact.

Thanks in advance