dde23 with an initial condition

Hello guys, I am trying to solve an equation with dde23, I have an initial condition. but I don't know how to graph it, could you help me please?

it is supposed that the graph sould be like the graph above, so I am trying to compare this solution with a solution by dde23

The equation is:

and the initial condition is ,

I want to graph from 0 to 10.