For line dispensing in Underfill Encapsulation, you must specify the dispensing location at every node along the line.
This is done the same way as setting an injection location for thermoplastic injection molding processes.
Note: If you would like to perform dynamic dispensing, where the encapsulant is dispensed over several passes, you will need to set the dispensing controller, under

(), and check
Perform dynamic analysis in the
Process Settings Wizard.