Using custom configuration, users can set fields to show or hide based on value selected in another field.
The rules added for skip logic is only reflected on add/edit pages. Overview page is superset of all fields described in data dictionary.
Example 1: Show custom field(Relation to Proband) if value selected in 'Proband'(RB10) field is 'No'
{
"name": "cpr.participant.extensionDetail.attrsMap.DD15",
"caption": "Relation To Proband",
"type": "dropdown",
"optional": true,
"showIf": {
"op": "AND",
"rules": [
{
"field": "cpr.participant.extensionDetail.attrsMap.RB10",
"op": "==",
"value": "'No'"
}
]
},
"listSource": {
"apiUrl": "forms/permissible-values",
"selectProp": "value",
"displayProp": "value",
"queryParams": {
"dynamic": {},
"static": {
"formName": "kMCParticipantExtension",
"controlName": "DD15"
}
}
}
}
Screenshot when field is hidden:
Screenshot when field is shown:
Example 2: Show 'Storage tube' custom field only during creation of aliquots.
{
"name": "specimen.extensionDetail.attrsMap.ST3",
"caption": "Storage tube",
"type": "text",
"optional": "true",
"showIf": {
"op": "AND",
"rules": [
{
"field": "specimen.lineage",
"op": "==",
"value": "'Aliquot'"
}
]
}
},
Example 3: Show 'COVID-19 Test Date' visit custom field when the visit date is after '23 January 2020'
{
"name" : "visit.extensionDetail.attrsMap.DP13",
"caption" : "COVID-19 Test Date",
"type" : "date",
"dateOnly" : true,
"optional" : true,
"showIf" : {
"op" : "AND",
"rules" : [ {
"field" : "visit.visitDate",
"op" : ">=",
"value" : "1579717800000"
} ]
},
"showInOverviewIf" : "useShowIf"
}
"1579717800000" is the number of milliseconds elapsed since Unix time Epoch on 23/01/2020 at 00:00:00 hrs UTC.
The number can be obtained from the sites like https://currentmillis.com/