what is use of msg.sender in solidity code?

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I was reading ethereum document and there I encountered a doubt: what does "[msg.sender]" stands for? How and when to use this statement.??
Apr 24, 2018 in Blockchain by Johnathon
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1 answer to this question.

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msg.sender(address) function indicated the sender of the current message or (current call). the function indicates the person currently connecting with the contract. In case of contract calling another contract, msg.sender is used.

answered Apr 24, 2018 by Shashank
• 10,350 points

selected Aug 10, 2018 by Omkar

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