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I am currently using Change Data Capture, to subscribe to the ContentVersion change event. Because in my Lightning Web Component (LWC), I am required to automatically refresh the files list once a file is deleted/uploaded.

Hence I am using CDC to listen to ContentVersion change event. Everything is working as expected, when I am testing as System Administrator, however, when I changed to a different profile, it is not working as expected and I get the following error:

Received error from server: {"clientId":"123","channel":"/meta/subscribe","id":"6", "subscription":"/data/ContentVersionChangeEvent", "error":"403::User not allowed to subscribe CDC without required permissions", "successful":false}

*I have changed the clientId to shorten the error.

The documentation (Required Permissions for Change Event Subscriber) states, this permission is needed

View All Records for the object

However, I could not find this permission on Files object, when I view the Profile Object Settings. There's only Tab Settings (Tab Hidden, Default Off and Default On). I have tried setting the this setting to 'Default On' but still getting the same error.

Has anyone faced this before and/or got a solution please?

Many thanks for your help and valuable time!

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    Do you have checked this? - help.salesforce.com/s/… - help.salesforce.com/s/articleView?id=000381258&type=1 Commented Mar 10 at 6:43
  • @TusharJadav Thanks that seems to solve it and indeed is the solution. However I have changed the implementation to use Platform Event, where I can control the permission more accurately instead of giving 'View All'. You can post that as answer and I will accept it, many thanks once again for your valuable time and help! Commented Mar 12 at 6:18

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As per the documentation,

With the new Query All Files permission, View All Data users can query ContentDocument and ContentVersion and retrieve all files in the org, including files in non-member libraries and files in unlisted groups. On its own, the View All Data permission only allows you to query files you own or have access to.

How: Enable the profile permission under System Permissions and App Permissions in Setup.

Query All Files: With the Query All Files permission, View All Data users can query ContentDocument and ContentVersion and retrieve all files in the org, including files in non-member libraries and files in unlisted group.

Note: This change applies to Lightning Experience and Salesforce Classic in Professional, Enterprise, Performance, and Unlimited editions. This permission does not grant access to History objects ContentDocumentHistory and ContentVersionHistory.

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