Answers.Body: <p>They are merged, based on the "Unsupervised" deduplication rules: civicrm/contact/deduperules?reset=1</p>
  
  <p>By default the unsupervised rules for individuals are based on email-only.
  So if someone fills in a Webform with an email that already exists in civicrm then those data will be merged.</p>
  
  <p>You can change these rules: <a href="http://book.civicrm.org/user/common-workflows/deduping-and-merging/" rel="nofollow">http://book.civicrm.org/user/common-workflows/deduping-and-merging/</a></p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2015-11-26T15:02:22.837Z
Answers.Text: You can also choose a custom dedupe rule in the webform directly
Answers.UserDisplayName: samuelsov
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2015-11-26T11:19:14.013Z
Answers.LastActivityDate: 2015-11-26T11:19:14.013Z
Answers.UserDisplayName: Catorghans
Body: <p>I haven't found this issue in any other topic, sorry if it's been already asked.</p>
  
  <p>I'm trying to automatically deduplicate contacts which enter to Civi from a registration Webform, but I haven't found a way. Is it possible?</p>
  
  <p>Thanks in advance</p>
  
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2015-11-26T21:39:10.493Z
Comments.Text: On top of @Catorghans answer I highly recommend to check out this post: https://civicrm.org/blogs/spidersilk/understanding-civicrm-dedupe-rules
Comments.UserDisplayName: Andrei
Tags: <drupal><webform-civicrm><duplicate-contacts>
Title: It is possible to deduplicate contacts entered in a Webform?
ThreadText: # It is possible to deduplicate contacts entered in a Webform?
  
  (Asked by: username_0 on 2015-11-26)
  
  I haven't found this issue in any other topic, sorry if it's been already asked.
  
  I'm trying to automatically deduplicate contacts which enter to Civi from a registration Webform, but I haven't found a way. Is it possible?
  
  Thanks in advance
  
  **Tags:** drupal, webform-civicrm, duplicate-contacts
  
  > **Comments:**
  > **username_1**: On top of @username_2 answer I highly recommend to check out this post: https://civicrm.org/blogs/spidersilk/understanding-civicrm-dedupe-rules  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_2 on 2015-11-26. Score: 3
  
  They are merged, based on the "Unsupervised" deduplication rules: civicrm/contact/deduperules?reset=1
  
  By default the unsupervised rules for individuals are based on email-only.
  So if someone fills in a Webform with an email that already exists in civicrm then those data will be merged.
  
  You can change these rules: <http://book.civicrm.org/user/common-workflows/deduping-and-merging/>
  
  > **Comments:**
  > **username_3**: You can also choose a custom dedupe rule in the webform directly  
  
  ---
  
  