infusionsoft/services/IAPIEmailService.js
function(apiKey, templateId, pieceTitle,
        category, fromAddress, toAddress, ccAddress, bccAddresses, subject,
        textBody, htmlBody, contentType, mergeContext) {}
function(apiKey, templateId, pieceTitle,
        category, fromAddress, toAddress, ccAddress, bccAddresses, subject,
        textBody, htmlBody, contentType, mergeContext) {}
function ( apiKey , templateId , pieceTitle , category , fromAddress , toAddress , ccAddress , bccAddresses , subject , textBody , htmlBody , contentType , mergeContext ) { }
This method is used to update an already existing email template
This method is used to update an already existing email template