When the list of permissible value is long, and the user needs to display only a few values in a particular dropdown below is an option to do so.

Subset PVs

Example 1: Visit site dropdown to show only a few sites and not all the sites from the instance. 

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Screenshot: After configuring in the JSON workflow, the 'Site' drop-down shows only selected sites.

Example 2: List only 2 values for gender

{
  "name": "cpr.participant.gender",
  "caption": "Gender",
  "type": "pvs",
  "attr": "gender",
  "optional": true,
  "defaultValue": "Female Gender",
    "options": [
          {"value": "Male Gender", "conceptCode": "M"},
          {"value": "Female Gender", "conceptCode": "F"}
      ]
}

Screenshot: After configuring the JSON workflow, the 'Gender' drop-down shows only 2 genders, "Male" and "Female."

Example 3: List only 'Whole Blood' value under 'Fluid' and 'Fixed Tissue Block' under Tissue. The other class and type values will not be displayed.

{
  "name": "specimen.type",
  "caption": "Type",
  "type": "specimen-type",
  "specimen": "specimen",
  "optional": false,
  "defaultValue": "Whole Blood",
    "options": [
    {
      "specimenClass": "Fluid",
      "type": "Whole Blood"
    },
    {
      "specimenClass": "Tissue",
      "type": "Fixed Tissue Block"
    }
  ]
}

Screenshot: After configuring the JSON workflow, the 'Type' drop-down shows only the selected specimen type.

Subset user dropdown

It is possible to configure a user list with a few selected the user. This feature helps users to speed up the data entry. If there are only 4-5 users to select from, users don't have to search every time from the list of all users.

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