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To handle unexpected errors gracefully in a custom subscription center, wrapping the code in a Server-Side JavaScript (SSJS) Try/Catch block is recommended.

Try/Catch Block: Using a Try/Catch block in SSJS allows the developer to catch and handle exceptions, providing a mechanism to manage errors without disrupting the user experience.

SSJS Example:

<script runat="server"> Platform.Load("Core", "1"); try { // Code that may throw an error } catch (e) { // Handle the error Write(Stringify(e)); } </script>

Salesforce Server-Side JavaScript (SSJS) Guide

The Sent data view contains records of all emails that have been sent, including details such as JobID, EventDate, and other relevant information. To gather the required information about emails deployed in the last seven days, the Sent data view should be used.

Query Example:

SELECT JobID, EventDate, COUNT(*) as SentCount FROM _Sent WHERE EventDate >= DATEADD(day, -7, GETDATE()) GROUP BY JobID, EventDate

Salesforce Data Views

The error message "Cannot Perform 'Post' on objects of type 'SentEvent'" indicates that the SentEvent object is not updatable via the SOAP API. The SentEvent object is typically read-only and is used for tracking purposes.

Read-Only Object: The SentEvent object is used to log events and is not designed to be modified via API calls. This is why attempts to perform POST operations on it will result in an error.

Salesforce SOAP API Error Codes

For a data extension to be selected for journey entry in Journey Builder, it must be configured for sending. This configuration ensures that the data extension is recognized as a source for sending communications.

Configure for Sending: When creating or editing a data extension, ensure that it is set as "Sendable." This involves specifying the appropriate fields for sending, such as Subscriber Key and Email Address.

Salesforce Journey Builder Data Extension Configuration

To inject a contact into a journey using the API, you use the POST /interaction/v1/events route. This endpoint allows you to inject events into Journey Builder, effectively adding contacts to the journey based on the event definition.

Salesforce Journey Builder API

To track the performance of dynamically created content via AMPscript in an email, the following steps should be performed:

Request the Impression Tracking feature be enabled on the account: This feature must be enabled to track impressions of dynamic content.

Include the functions BeginImpressionRegion and EndImpressionRegion: These functions are used within the AMPscript code to mark the beginning and end of the content region that needs to be tracked.

Example:

ampscript

Copy code

%%[BeginImpressionRegion('DynamicContent')]%%

%%=v(@DynamicContent)=%%

Salesforce AMPscript Functions for Tracking

To sum up multiple variables in AMPscript, the Add function should be used. The Add function can be nested to handle multiple values.

Example:

%%[ SET @total = Add(@var1, Add(@var2, @var3)) ]%%

Salesforce AMPscript Add Function

To reference SSJS (Server-Side JavaScript) variables for content personalization in Salesforce Marketing Cloud, you use the tag. This tag evaluates the SSJS variable and inserts its value into the content. The correct usage is:

variableName

This syntax allows you to dynamically insert the value of variableName into the email content.

To retrieve the value of the AMPscript variable named subKey in Server-Side JavaScript (SSJS), the following statement should be used:

Var.Get("subKey");

This statement retrieves the value of the specified AMPscript variable within SSJS.

The Contact Delete process in Marketing Cloud removes contact data from the contact model but does not remove records from the data extensions themselves.

Contact Delete Process: When you perform a Contact Delete in Contact Builder, it removes the contact data from the contact model but leaves the actual rows in the data extensions intact.

Salesforce Contact Deletion Process