JS API web3.eth.filter documentation is inadequate. about wiki HOT 2 CLOSED

In solidity::if you have an event defined like so :

event alertMe(byte32 indexed alertText)

you can activate it in a function body for when the function is called i:e

contract spender {

function spend( unit amount) returns (bool spent){

   ///blah blah blah

 //you are calling the event here which logged and will make it easy for filtering
    alertMe(byte32 indexed alertText);
    return true;

  }

}

then assuming you instantiated your contract as "spender" in your client, you can filter for events like :

web3.eth.filter({'max': 100, 'address': spender.address, 'topics': [ alertText]});

hope it helps...I know the docs are quirky!

from wiki.

Please see https://github.com/ethereum/wiki/wiki#issues-and-pull-requests for why this was closed.

from wiki.