Hi everybody,
I summed up the solution from here: How to pass variable value in a form
<form name="startProcess">
<script cam-script type="text/form-script">
inject([ '$rootScope', '$scope', function($rootScope, $scope) {
camForm.on('variables-fetched', function() {
$scope.userName = $rootScope.authentication.name;
});
}]);
</script>
<div class="form-group">
<label for="client">User name</label>
<input cam-variable-name="client"
cam-variable-type="String"
type="text"
name="client"
required
class="form-control"
ng-model="userName"
readonly="true"
/>
</div>
</form>