A developer uses the messageDefinitionSends REST API endpoint to send a triggered send email. This method returns a 202 (success) response code. How could the developer validate if the email was successfully sent?

NTO wants to exclude sending an email at send time to those with a record on the 'Exclude' Data Extension. The primary key on this data extension is SubsciberKey. How would a developer write the Exclusion Script?

NTO wants to exclude sending an email at send time to those with a record on the 'Exclude' Data Extension. The primary key on this data extension is Subscriber Key. How would a developer write the Exclusion Script?

A developer created an email with AMPscript variable as the subject line. The subject line variable was recently updated, but when testing the email, the wrong subject line continues to appear in the inbox. The developer thinks another, oudated, subject line variable is declared within the email. Where could the outdated variable be located?

A developer wants to create an AMPscript FOR loop that populates HTML table rows based on the number of rows and data in a target DE. Where should the developer place the FOR keyword to begin the loop?