Issue with playerc_position2d_set_cmd_pose_with_vel

So the problems is that I'm trying to use this function in mi amigoboot.
I understand that with this function,*
playerc_position2d_set_cmd_pose_with_vel(pos,vel,state)* you can move to a
given point x and y with an given speed. But I'm not able to do it the right
way.
What I do is:

player_pose2d_t position,velocity;
position.px=5;
position.py=2;
position.pa=DTOR(90);
velocity.px=2;
velocity.py=1;
playerc_position2d_set_cmd_pose_with_vel(position2d,position,velocity,1);

After this the amigobot goes to the given x and y but the it doesn't
increase the speed.
It's goes at the same speed as this function
playerc_position2d_set_cmd_pose(5,2,DTOR(90),1);

What I'm doing wrong



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