Custom headers

Api transport converts headers below to certain message properties.

$email->getHeaders()

// TemplateLanguage

->addTextHeader('X-MJ-TemplateLanguage', '1') // true

// TemplateID

->addTextHeader('X-MJ-TemplateID', '12345') // int

// TemplateErrorReporting

->addTextHeader('X-MJ-TemplateErrorReporting', '{"Email": "errors@mailjet.com","Name": "Error Email"}') // json

// TemplateErrorDeliver

->addTextHeader('X-MJ-TemplateErrorDeliver', '1') // true

// Variables

->addTextHeader('X-MJ-Vars', '{"varname1": "value1","varname2": "value2", "varname3": "value3"}')

// CustomID

->addTextHeader('X-MJ-CustomID', 'CustomValue')

// EventPayload

->addTextHeader('X-MJ-EventPayload', 'Eticket,1234,row,15,seat,B')

// CustomCampaign

->addTextHeader('X-Mailjet-Campaign', 'SendAPI_campaign')

// DeduplicateCampaign

->addTextHeader('X-Mailjet-DeduplicateCampaign', '1') // true

// Priority

->addTextHeader('X-Mailjet-Prio', '2') // int

// TrackClick

->addTextHeader('X-Mailjet-TrackClick', "account_default")

// TrackOpen

->addTextHeader('X-Mailjet-TrackOpen', "account_default");

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