InfallibleTechie

Files attached to Messages in Salesforce Messaging

Files are stored in ContentDocument entity.

Use this soql to find the ContentDocumentId.

SELECT ContentDocumentId FROM ContentDocumentLink WHERE LinkedEntityId = ‘<MessagingSessionId>’

Example:

1. Run the below SOQL.

SELECT ContentDocumentId FROM ContentDocumentLink WHERE LinkedEntityId = ‘0Mw3h00000146TkCAI’

0Mw3h00000146TkCAI is the Messaging Session Id.

2. Use the ContentDocumentId and open the file.