how to use camera on bedrock mc/mcpe 

/camera @p set minecraft:free pos 323 ~2 -84 facing @p
/camera @p set minecraft:free pos ~~~
/camera @s target_entity @s 1
/camera @s remove_target 2
/camera @s set minecraft:free pos ~~8~ 3
/camera @s target_entity @s target_center_offset 222
/camera @s clear