Is there a way to specify "EraStartDate"?

[ablack3]

when I use the startDate attribute with a drugEra query the json includes an attribute "OccurrenceStartDate".
I think in Atlas this should be "EraStartDate"
I'm not sure if there is another function I should be using. In the example below, Atlas will simply ignore my startDate attribute and remove it from the cohort definition when I upload the json.

library(Capr)
drug <- cs(1, name = "a")
ch <- cohort(
  entry = entry(drugEra(drug, startDate(bt(as.Date("2000-01-01"), as.Date("2023-12-31")))))
  )

jsonlite::prettify(compile(ch)) 
#> {
#>     "ConceptSets": [
#>         {
#>             "id": 0,
#>             "name": "a",
#>             "expression": {
#>                 "items": [
#>                     {
#>                         "concept": {
#>                             "CONCEPT_ID": 1,
#>                             "CONCEPT_NAME": "",
#>                             "STANDARD_CONCEPT": "",
#>                             "STANDARD_CONCEPT_CAPTION": "",
#>                             "INVALID_REASON": "",
#>                             "INVALID_REASON_CAPTION": "",
#>                             "CONCEPT_CODE": "",
#>                             "DOMAIN_ID": "",
#>                             "VOCABULARY_ID": "",
#>                             "CONCEPT_CLASS_ID": ""
#>                         },
#>                         "isExcluded": false,
#>                         "includeDescendants": false,
#>                         "includeMapped": false
#>                     }
#>                 ]
#>             }
#>         }
#>     ],
#>     "PrimaryCriteria": {
#>         "CriteriaList": [
#>             {
#>                 "DrugEra": {
#>                     "CodesetId": 0,
#>                     "OccurrenceStartDate": {
#>                         "Op": "bt",
#>                         "Value": "2000-01-01",
#>                         "Extent": "2023-12-31"
#>                     }
#>                 }
#>             }
#>         ],
#>         "ObservationWindow": {
#>             "PriorDays": 0,
#>             "PostDays": 0
#>         },
#>         "PrimaryCriteriaLimit": {
#>             "Type": "First"
#>         }
#>     },
#>     "QualifiedLimit": {
#>         "Type": "First"
#>     },
#>     "ExpressionLimit": {
#>         "Type": "First"
#>     },
#>     "InclusionRules": [
#> 
#>     ],
#>     "CensoringCriteria": [
#> 
#>     ],
#>     "CollapseSettings": {
#>         "CollapseType": "ERA",
#>         "EraPad": 0
#>     },
#>     "CensorWindow": {
#> 
#>     },
#>     "cdmVersionRange": ">=5.0.0"
#> }
#> 

^{Created on 2024-09-02 with reprex v2.1.1}

Session info

sessioninfo::session_info()
#> ─ Session info ───────────────────────────────────────────────────────────────
#>  setting  value
#>  version  R version 4.3.3 (2024-02-29)
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#>  system   aarch64, darwin20
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#>  language (EN)
#>  collate  en_US.UTF-8
#>  ctype    en_US.UTF-8
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#>  date     2024-09-02
#>  pandoc   3.1.11 @ /Applications/RStudio.app/Contents/Resources/app/quarto/bin/tools/aarch64/ (via rmarkdown)
#> 
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#>  tidyselect    1.2.1   2024-03-11 [1] CRAN (R 4.3.1)
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#> ──────────────────────────────────────────────────────────────────────────────