[ns] -how to set the pause time inside Tcl Script

Dear NS users,

I generated a movement model using the ./setdest. I did it with parameters such as speed and pause time. But actually, I am running my script depending on the average speed of nodes and I want to set the pause time value depending on the value of the average speed.

So, could you tell me please if I can change the pause time value from within the Tcl script please.

Thank you in advance

Thamer Jahamneh