getUrl method
Replace the variables in url with the specified runtime values, if the variables are present.
Implementation
String getUrl(
String participantId, String studyDeploymentId, int triggerId) =>
url
.replaceFirst('\$PARTICIPANT_ID', participantId)
.replaceFirst('\$DEPLOYMENT_ID', studyDeploymentId)
.replaceFirst('\$TRIGGER_ID', triggerId.toString());