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Example 1

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: Show custom field (Relation to Proband) if value selected in 'Proband'

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field is 'No'

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Code Block title Example code { "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 the field is hidden: Screenshot when the field is shown:

Example 2

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: Show 'Storage tube' custom field only during the creation of aliquots

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Code Block title Example code { "name": "specimen.extensionDetail.attrsMap.ST3", "caption": "Storage tube", "type": "text", "optional": "true", "showIf": { "op": "AND", "rules": [ { "field": "specimen.lineage", "op": "==", "value": "'Aliquot'" } ] } }

Example 3

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: Show 'COVID-19 Test Date' visit custom field when the visit date is after '23 January 2020'

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Code Block language js title Example code { "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" } Info "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/.

Example 4

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: Show 'Upload image' specimen custom field when it

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is a primary specimen and type is 'Whole Blood'

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Code Block title Example code { "name" : "specimen.extensionDetail.attrsMap.FU2", "caption" : "Upload image", "type" : "file", "optional" : true, "showInOverviewIf" : "useShowIf", "showIf" : { "op" : "AND", "rules" : [ { "field": "specimen.lineage", "op": "==", "value": "'New'" },{ "field" : "Specimen.type", "op" : "==", "value" : "'Whole Blood'" } ] } }, The field looks like below on the specimen overview page: