|**Survey**|**Duration**|**Start Date and time**|**End Date**|
|reader-trust-en-v2 |~72 hours|2019/3/18 @ 2pm EST |2019/3/21 @ 2pm EST|
```lang=php
'enwiki' => [
// T217080"enabled" => true,
["type" => "external",
'enabled' => true,
' "name'" => '"reader-demographics-en-pilot' trust survey en v2",
'type' "description" => 'external'"Reader-trust-2-description",
'description' "link" => '"Reader-demographics-1-description'trust-2-link",
'link' => 'Reader-demographics-1-link' "instanceTokenParameterName" => "token",
' "question'" => '"Reader-demographics-1trust-2-message'",
' "privacyPolicy'" => '"Reader-demographics-1trust-2-privacy'",
' "coverage'" => 0.004, // 1 out of 250
'instanceTokenParameterName' "platforms" => 'entry.1791119923',[
'platforms' => [
'"desktop'" => [ '"stable' ],
'mobile' => [ 'stable' ]" ],
"mobile" => [ "stable" ],
],
],
```