problem with texture on splines

:wave:HELLO I HAVE PROBLEM ON MY UE5FN WORLD

I have create a spline and I want to apply the texture from the object circled in red on my spline because when I clik on my spline ,then on segment ,then on spline meshes I dont found the texture who I want.

Sorry for my disastrous spelling I start in English.
Thanks in advance
ZEFAX.