Ok, stupid question but I have searched and could not find this anywhere...

Q: How to you get (what is the expression syntax of) the ID of the record which is displaying the component / app?

I have read that I need to implement the interface force:recordTab here

Q: How is Lightning aware of what record you are on if you embed it in Salesforce1? (i.e. how do you get the ID of the record you are on like in a standard controller)?

A: Your component just needs to implement the force:recordTab interface and the record and recordId will be automatically injected when your component is wired into record home.

from the FAQ: https://developer.salesforce.com/page/Lightning_FAQ

Since found to be incorrect (see answer)

but beyond that I could find no documentation on this interface or anything in the lightning component developer guide that discusses this.

Basically, on init I need to grab the ID of the record whose detail page is being displayed.

Sorry for the newbie question but you would think something this simple would be out there in the open.....

  • Can you do this on load of Lightning component and get Id in Controller constructor? I can pass it on button click and stuff. But can we get the id directly on load of page in constructor?
    – SEuser
    Commented Jun 8, 2016 at 9:46
  • It is available as a merge variable anywhere in the component
    – Eric
    Commented Jun 8, 2016 at 13:12

1 Answer 1


Ok, I found it after doing some serious reading of the Winter '16 release.

You need to implement the interface:


in your component and then you can access the record id via the following expression


An example component would be:

<aura:component controller="CTRL_F_Controller" implements="flexipage:availableForAllPageTypes,force:hasRecordId">
<aura:attribute name="Account" type="Account"/>
    <ltng:require styles="/resource/bootstrap"/>
    <div class="bootstrap-sf1">
       <div class="container">
           <ui:outputText class="form-control" aura:id="recid" value="{!v.recordId}" />
  • I guess this is available only in winter 16 ?Does it work in summer 15 as well? Commented Sep 21, 2015 at 2:24
  • I believe it is new for winter 16. Not sure how it is done in summer 15 or if it can be
    – Eric
    Commented Sep 21, 2015 at 2:26
  • It was not possible as straight as that :)..Thanks that we have and +1 from me on question and answer as well Commented Sep 21, 2015 at 2:30
  • @MohithShrivastava - Would be interested in how you did it in Winter 15. Please feel free to update my answer with the code used from Winter 15 to accomplish this.
    – Eric
    Commented Sep 21, 2015 at 4:35
  • Are you embedding this component in any record detail page ?
    – Monish
    Commented Oct 26, 2015 at 5:47

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