Click Web Service — Receive1 and click Edit.
This opens the Receive1 [Receive] - Property Editor.
Select the properties of this service from the Main tab. Select PartnerLink1.
The Operation drop-down list refreshes to display TriggerWSDLOperation.
Create a new input variable.
Perform the following:
Click the Create button next to the Input Variable field.
This opens the New Input Variable dialog box.
The Name, Type, and Scope variable fields are refreshed with their default values.
Change the value in the Name field.
Click OK.
All the fields are populated with the assigned values.
The Input Variable is TriggerWSDLOperationIn
Create Instance check-box is checked, by default.
Click OK to close the Receive1 [Receive] - Property Editor.
Save the project.