docs/UpdateEmailCampaign.md in sib-api-v3-sdk-5.1.0 vs docs/UpdateEmailCampaign.md in sib-api-v3-sdk-5.1.1

@@ -9,16 +9,17 @@
 **html_content** | **String** | Body of the message (HTML version). REQUIRED if htmlUrl is empty | [optional] 
 **html_url** | **String** | Url which contents the body of the email message. REQUIRED if htmlContent is empty | [optional] 
 **scheduled_at** | **DateTime** | UTC date-time on which the campaign has to run (YYYY-MM-DDTHH:mm:ss.SSSZ). Prefer to pass your timezone in date-time format for accurate result. | [optional] 
 **subject** | **String** | Subject of the campaign | [optional] 
 **reply_to** | **String** | Email on which campaign recipients will be able to reply to | [optional] 
-**to_field** | **String** | This is to personalize the «To» Field. If you want to include the first name and last name of your recipient, add {FNAME} {LNAME}. To use the contact attributes here, these must already exist in SendinBlue account | [optional] 
+**to_field** | **String** | To personalize the «To» Field. If you want to include the first name and last name of your recipient, add {FNAME} {LNAME}. These contact attributes must already exist in your SendinBlue account. If input parameter 'params' used please use {{contact.FNAME}} {{contact.LNAME}} for personalization | [optional] 
 **recipients** | [**UpdateEmailCampaignRecipients**](UpdateEmailCampaignRecipients.md) |  | [optional] 
 **attachment_url** | **String** | Absolute url of the attachment (no local file). Extension allowed: xlsx, xls, ods, docx, docm, doc, csv, pdf, txt, gif, jpg, jpeg, png, tif, tiff, rtf, bmp, cgm, css, shtml, html, htm, zip, xml, ppt, pptx, tar, ez, ics, mobi, msg, pub and eps | [optional] 
 **inline_image_activation** | **BOOLEAN** | Status of inline image. inlineImageActivation = false means image can’t be embedded, & inlineImageActivation = true means image can be embedded, in the email. You cannot send a campaign of more than 4MB with images embedded in the email. Campaigns with the images embedded in the email must be sent to less than 5000 contacts. | [optional] [default to false]
 **mirror_active** | **BOOLEAN** | Status of mirror links in campaign. mirrorActive = false means mirror links are deactivated, & mirrorActive = true means mirror links are activated, in the campaign | [optional] 
 **recurring** | **BOOLEAN** | FOR TRIGGER ONLY ! Type of trigger campaign.recurring = false means contact can receive the same Trigger campaign only once, & recurring = true means contact can receive the same Trigger campaign several times | [optional] [default to false]
 **footer** | **String** | Footer of the email campaign | [optional] 
 **header** | **String** | Header of the email campaign | [optional] 
 **utm_campaign** | **String** | Customize the utm_campaign value. If this field is empty, the campaign name will be used. Only alphanumeric characters and spaces are allowed | [optional] 
+**params** | **Object** | Pass the set of attributes to customize the type 'classic' campaign. For example, {'FNAME':'Joe', 'LNAME':'Doe'}. | [optional]