# Attacher and Detacher - Smartcomponents

**URL:** <https://tech-community.robotics.abb.com/t/attacher-and-detacher-smartcomponents/10064>\
**Category:** RobotStudio\
**Tags:** smartcomponents, attacher, detacher\
**Created:** [March 16, 2021, 10:55am UTC](https://tech-community.robotics.abb.com/t/attacher-and-detacher-smartcomponents/10064 "2021-03-16T10:55:45Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Azhagar](https://dub1.discourse-cdn.com/flex005/user_avatar/tech-community.robotics.abb.com/azhagar/32/1454_2.png) [@Azhagar](https://tech-community.robotics.abb.com/u/Azhagar)\
**Post date:** [March 16, 2021, 10:55am UTC](https://tech-community.robotics.abb.com/t/attacher-and-detacher-smartcomponents/10064/1 "2021-03-16T10:55:45Z")

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I have created the demo sc\_gripper with attacher ,detacher and line sensor.. sensor works well but the attacher and detacher didn’t. where i do have gone wrong?

 ![image.png](https://europe1.discourse-cdn.com/flex005/uploads/robotics1/original/1X/0fd8ac5982719b7c18f87c6fa78e1c97432a92c0.png)

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**Author:** ![Maxim](https://dub1.discourse-cdn.com/flex005/user_avatar/tech-community.robotics.abb.com/maxim/32/4429_2.png) [@Maxim](https://tech-community.robotics.abb.com/u/Maxim)\
**Post date:** [March 16, 2021, 12:50pm UTC](https://tech-community.robotics.abb.com/t/attacher-and-detacher-smartcomponents/10064/2 "2021-03-16T12:50:20Z")

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Make the LineSensor send the SensedSpart() to Child of the Attacher.

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**Author:** ![Azhagar](https://dub1.discourse-cdn.com/flex005/user_avatar/tech-community.robotics.abb.com/azhagar/32/1454_2.png) [@Azhagar](https://tech-community.robotics.abb.com/u/Azhagar)\
**Post date:** [March 31, 2021, 2:56pm UTC](https://tech-community.robotics.abb.com/t/attacher-and-detacher-smartcomponents/10064/3 "2021-03-31T14:56:51Z")

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I forgot to do it .. thank you