problem in find a simulink block

Hi,i need a block that i denote this in attached picture. i can not find this block in matlab library.how i can design this block.help me please.thanks

Answer 1

[Azzi Abdelmalek]

Probably, because this block is made by someone, contact the person who did this model

Answer 2

[leila]

Hi,i need a block that i denote this in attached picture. i can not find this block in matlab library.how i can design this block.help me please.thanks

[Azzi Abdelmalek]

Is this a comment or an answer?