Use the IsNullOrEmpty component

Determine whether the text is null or an empty string by using the IsNullOrEmpty component in RPA Desktop Design Studio.

Avant de commencer

Role required: none

Pourquoi et quand exécuter cette tâche

You can configure the properties for the IsNullOrEmpty component. For more information about these properties, see Properties of the String Utilities components.

Procédure

1. In the Toolbox pane, navigate to Utilities > String Utilities.
2. Drag the IsNullOrEmpty component to the Design surface.
3. To configure the input fields, see Configure port properties.
4. Connect the data and control ports of the IsNullOrEmpty component to the corresponding ports of the other components as described in the following table.

   Port type	Purpose of connection	Mandatory?
   Data In (Text)	Takes the text that the component evaluates from a previously executed component.	Yes
   Data Out (Boolean)	Returns the Boolean response to whether the text is null or empty and passes the value to the next component.	Yes
   Control In	Connects to the Control Out port of one or more components.	Yes
   Control Out	Connects to the Control In port of another component or the default end component.	No

5. Facultatif : To test the component, under the DESIGN tab, click Run.