explan right click

/scoreboard objectives add L stat.useItem.minecraft.carrot_on_a_stick what you are gonna to use to right click with
/scoreboard players test @a L 1 1 test for if you have the score of right click
execute @a[score_L_min=0,score_L=0] ~ ~ ~ /effect @p 11 1 255 to protect you from die then you fall
execute @a[score_L_min=1,score_L=1] ~ ~ ~ /summon PrimedTnt ~0 ~0 ~0 {Fuse:1} what is gonna happen
execute @a[score_L_min=1,score_L=1] ~ ~ ~ /scoreboard players set @p L 0 when you have right clicked your score goes down to 0 non right click