# Facing problem in add new property hst:referencecomponent

**URL:** <https://community.bloomreach.com/t/facing-problem-in-add-new-property-hst-referencecomponent/168>\
**Category:** Experience Manager (PaaS/OnPrem)\
**Created:** [July 18, 2018, 6:32am UTC](https://community.bloomreach.com/t/facing-problem-in-add-new-property-hst-referencecomponent/168 "2018-07-18T06:32:30Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Mahesh919616](https://yyz1.discourse-cdn.com/flex027/user_avatar/community.bloomreach.com/mahesh919616/32/371_2.png) [@Mahesh919616](https://community.bloomreach.com/u/Mahesh919616)\
**Post date:** [July 18, 2018, 6:32am UTC](https://community.bloomreach.com/t/facing-problem-in-add-new-property-hst-referencecomponent/168/1 "2018-07-18T06:32:30Z")

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hi friends initially i added a new property called hst:referencecomponent and some value, for the second time i need to add another value to same hst:referencecomponent property. Beginning i din’t check multiple value option so i deleted previously added hst:referencecomponent property and trying to add hst:referencecomponent property again with multiple value i am getting error. error is showed in attached image. What is the solution to solve this??

 ![error](https://canada1.discourse-cdn.com/flex027/uploads/bloomreach1/original/1X/08b36aa083332b4fc21f8195c8d532ddc744322c.jpg)

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**Author:** ![Mahesh919616](https://yyz1.discourse-cdn.com/flex027/user_avatar/community.bloomreach.com/mahesh919616/32/371_2.png) [@Mahesh919616](https://community.bloomreach.com/u/Mahesh919616)\
**Post date:** [July 18, 2018, 7:05am UTC](https://community.bloomreach.com/t/facing-problem-in-add-new-property-hst-referencecomponent/168/2 "2018-07-18T07:05:09Z")

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guys problem is with multi value check box, if i check that check box getting error otherwise for single value it is working fine

help me friends how to add multi values to a property

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**Author:** ![ThoLe](https://yyz1.discourse-cdn.com/flex027/user_avatar/community.bloomreach.com/thole/32/98_2.png) [@ThoLe](https://community.bloomreach.com/u/ThoLe)\
**Post date:** [July 18, 2018, 7:18am UTC](https://community.bloomreach.com/t/facing-problem-in-add-new-property-hst-referencecomponent/168/3 "2018-07-18T07:18:26Z")

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Hi,  
The property hst:referencecomponent can not be multiple value property. Because logically, one component can only have single reference component.

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**Author:** ![Mahesh919616](https://yyz1.discourse-cdn.com/flex027/user_avatar/community.bloomreach.com/mahesh919616/32/371_2.png) [@Mahesh919616](https://community.bloomreach.com/u/Mahesh919616)\
**Post date:** [July 18, 2018, 9:02am UTC](https://community.bloomreach.com/t/facing-problem-in-add-new-property-hst-referencecomponent/168/4 "2018-07-18T09:02:23Z")

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thank you for your reply

ok

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**Author:** ![gmulay](https://avatars.discourse-cdn.com/v4/letter/g/d78d45/32.png) [@gmulay](https://community.bloomreach.com/u/gmulay)\
**Post date:** [September 27, 2020, 7:13pm UTC](https://community.bloomreach.com/t/facing-problem-in-add-new-property-hst-referencecomponent/168/5 "2020-09-27T19:13:24Z")

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How do we add multiple dobeforerender method then? I want a ftl to show a site form first after filling and submitting, I want to show the details on the same UI of what has been written in the form to cross verify. Is it possible using one component and one ftl file?