LineTrace By Channel Does not work

Hello every one… my problem is about linetrace it doesn’t work as i expect, i have to say i’m very new to programming… ithe thing i want to do is when my first person character face a object, this one shows a menu i´ve been making some test with strings but it doesn’t work for me…this is what i have far now…

Hello everyone… my problem is about linetracebychannel, it doesn’t work as i expect, i have to say i’m very new to programming… the thing i want to do is when my first person character face a object, this one shows a menu(only when facing) i´ve been making some test with print strings , but it doesn’t work for me…this is what i have far now…

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if someone know how to solve it or another way to to do it, i really appreciate that! thanks in advance!