How to delete files from using Apex in salesforce 

list<ContentDocument> lstCntDocsToDelete = new list<ContentDocument>();

for(ContentDocumentLink iterator : [SELECT ContentDocumentId FROM ContentDocumentLink WHERE LinkedEntityId = '1234567890123456' ]) {
    lstCntDocsToDelete.add(new ContentDocument(Id = iterator.ContentDocumentId));
}

if(!lstCntDocsToDelete.isEmpty() && lstCntDocsToDelete != null) {
    Database.delete(lstCntDocsToDelete, false);
    Database.emptyRecycleBin(lstCntDocsToDelete);
}

 

Location: New Delhi, Delhi, India

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