Blender animation walk in unity

Ok, so iv made an animated character walk in blender, and exported it to unity.
How can i combine it to, say, the First Person Controller, so that the animation attached to the character will only play the walk animation if the First Person Controller walks forward
also, is there anyway to set a camera follow just the head of the character as it animates? or would i have to do that in blender?
I am new with unity and scripting, so any advice will be helpful, and pls explain clearly
thankyou in advance!

well, for the walking forward, you could use Animation.Play(“walkcycle”); when ge user presses w, and Animation.Stop(“walkcycle”); when the user depresses it. for the following, i would use the script from the standard assets package, i think its called smooth follow??