Hi @MLEONKC ,
Based on my research and testing, you can follow the script below to build the People Picker:
$(document).ready(function() {
initializePeoplePicker("_UserName");
});
function initializePeoplePicker(peoplePickerElementId) {
var schema = {};
schema['PrincipalAccountType'] = 'User,DL,SecGroup,SPGroup';
schema['SearchPrincipalSource'] = 15;
schema['ResolvePrincipalSource'] = 15;
schema['AllowMultipleValues'] = false;
schema['MaximumEntitySuggestions'] = 50;
schema['Width'] = '280px';
this.SPClientPeoplePicker_InitStandaloneControlWrapper(peoplePickerElementId, null, schema);
}
My test code and result:
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