Answers.Body: <p>At first, I thought you meant importing activities and joining them to contacts with the contacts' external IDs.  This is the most common way I do activity imports.</p>
  
  <p>However, reading closer, it sounds like you want to have an external ID field for the activity.  You'll need to create a custom field for this.  Also, you should remember that your custom field will not do the same magic as the contact external ID field: nothing will enforce that the value is unique, and nothing will automatically match activities based upon this field.</p>
  
  <p>It still might be useful for cross-referencing your imported activities with the source, but you'll have to apply your own logic to the field.</p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2015-12-07T14:51:16.627Z
Answers.LastActivityDate: 2015-12-07T14:51:16.627Z
Answers.UserDisplayName: Andie Hunt
Body: <p>Is there a standard way to import activities with an external identfier in the same way as contacts to help us identifiy what has been previously imported.</p>
  
  <p>otherwise, I guess we would just have to create a custom field. </p>
  
Tags: <activities><import>
Title: When importing activities can you use an external id?
ThreadText: # When importing activities can you use an external id?
  
  (Asked by: username_0 on 2015-12-07)
  
  Is there a standard way to import activities with an external identfier in the same way as contacts to help us identifiy what has been previously imported.
  
  otherwise, I guess we would just have to create a custom field.
  
  **Tags:** activities, import
  
  
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  ## 1 answers
  
  ### Answer by username_1 on 2015-12-07. Score: 3
  
  At first, I thought you meant importing activities and joining them to contacts with the contacts' external IDs. This is the most common way I do activity imports.
  
  However, reading closer, it sounds like you want to have an external ID field for the activity. You'll need to create a custom field for this. Also, you should remember that your custom field will not do the same magic as the contact external ID field: nothing will enforce that the value is unique, and nothing will automatically match activities based upon this field.
  
  It still might be useful for cross-referencing your imported activities with the source, but you'll have to apply your own logic to the field.
  
  
  ---
  
  