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Example Visualforce Template with iCal Attachment
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| <messaging:emailTemplate subject="Close Opportunity" | |
| recipientType="User" | |
| relatedToType="Opportunity"> | |
| <messaging:htmlEmailBody > | |
| <html> | |
| <body> | |
| Opportunity: <a href="https://test.salesforce.com/{!relatedTo.id}"><apex:outputText value="{!relatedTo.name}"/></a> | |
| <br/> | |
| <!-- | |
| Visualforce dateformat trick, put a whitespace character before the date expression and it will format in org's locale, not GMT | |
| https://douglascayers.com/2014/05/27/salesforce-displaying-datetime-field-in-visualforce-in-users-timezone/ | |
| --> | |
| Close Date: <apex:outputText value=" {!relatedTo.CloseDate}"/> | |
| <br/> | |
| </body> | |
| </html> | |
| </messaging:htmlEmailBody> | |
| <messaging:attachment filename="reminder.ics"> | |
| BEGIN:VCALENDAR | |
| METHOD:PUBLISH | |
| VERSION:2.0 | |
| PRODID::-//hacksw/handcal//NONSGML v1.0//EN | |
| BEGIN:VEVENT | |
| ORGANIZER:mailto:{!recipient.Email} | |
| DTSTAMP;TZID=GMT:<apex:outputText value="{0,date,yyyyMMdd'T'HHmmssZ}"><apex:param value="{!relatedTo.CloseDate}"/></apex:outputText> | |
| UID:<apex:outputText value="{!relatedTo.id}"/> | |
| DTSTART;TZID=GMT:<apex:outputText value="{0,date,yyyyMMdd'T'HHmmssZ}"><apex:param value="{!relatedTo.CloseDate}"/></apex:outputText> | |
| DTEND;TZID=GMT:<apex:outputText value="{0,date,yyyyMMdd'T'HHmmssZ}"><apex:param value="{!relatedTo.CloseDate}"/></apex:outputText> | |
| SUMMARY:<apex:outputText value="Close Opportunity {!relatedTo.name}"/> | |
| DESCRIPTION:<apex:outputText value="{!JSENCODE(relatedTo.description)}" escape="false"/>\n\n<apex:outputText value="https://test.salesforce.com/{!relatedTo.id}" escape="false"/> | |
| BEGIN:VALARM | |
| TRIGGER:-PT1D | |
| ACTION:DISPLAY | |
| DESCRIPTION:Reminder | |
| END:VALARM | |
| END:VEVENT | |
| END:VCALENDAR | |
| </messaging:attachment> | |
| </messaging:emailTemplate> |
Check out my new blog post for a solution that does not require Visualforce or attachments, https://douglascayers.com/2019/06/22/how-to-send-google-and-outlook-calendar-invite-links-in-email-templates/
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I've updated the
DTSTART,DTEND, andDTSTAMPto use<apex:outputText>fomatting option for IS8601 output.