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| -rw-r--r-- | docs/frequently-asked-questions.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/docs/frequently-asked-questions.rst b/docs/frequently-asked-questions.rst index 88775e4c..b3667a11 100644 --- a/docs/frequently-asked-questions.rst +++ b/docs/frequently-asked-questions.rst @@ -846,6 +846,9 @@ If you want to send 20 Ether from a contract to the address ``x``, you use ``x.s Here, ``x`` can be a plain address or a contract. If the contract already explicitly defines a function ``send`` (and thus overwrites the special function), you can use ``address(x).send(20 ether);``. +Note that the call to ``send`` may fail in certain conditions, such as if you have insufficient funds, so you should always check the return value. +``send`` returns ``true`` if the send was successful and ``false`` otherwise. + What does the following strange check do in the Custom Token contract? ====================================================================== |