Answers.Body: <p>Just start a new block with an operation block you won't need, set the proper number of params; select everything in the old MyBlock and paste it into the new, then delete the thing you don't need.</p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2016-01-13T06:04:22.290Z
Answers.LastActivityDate: 2016-01-13T06:04:22.290Z
Answers.UserDisplayName: zagrippa
Body: <p>If I create my own block (MyBlock) with one param and later discover that I should have used 2 params or different icon or something like that, what do I do?</p>
  
  <p>Is it possible to change the existing definition of a block or do I need to build a fully new block?</p>
  
Tags: <ev3>
Title: Can I change the spec of a MyBlock
UserDisplayName: UlfR
ThreadText: # Can I change the spec of a MyBlock
  
  (Asked by: username_0 on 2016-01-12)
  
  If I create my own block (MyBlock) with one param and later discover that I should have used 2 params or different icon or something like that, what do I do?
  
  Is it possible to change the existing definition of a block or do I need to build a fully new block?
  
  **Tags:** ev3
  
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  ## 1 answers
  
  ### Answer by username_1 on 2016-01-13. Score: 0
  
  Just start a new block with an operation block you won't need, set the proper number of params; select everything in the old MyBlock and paste it into the new, then delete the thing you don't need.
  
  
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