LlSay

Says the text supplied in string msg on channel supplied in integer channel.

• Text spoken can only be heard within 20 meters of the speaking prim (rather than the root). This is contrary to how the event listen works, where a message can only be heard by any prim in the object if and only if the root prim is capable of hearing it.
• Text can only be a maximum of 1024 bytes.
• A prim cannot hear itself, to prevent problems with recursion.

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default
{
    state_entry()
    {
        llSay(0,"Hello, Avatar!");
    }
}

• Channel 0 is the PUBLIC_CHANNEL. Everyone can hear chat transmitted on this channel. All other channels are private channels (not sent to users, with the exception of DEBUG_CHANNEL).
• Consider using llInstantMessage, llOwnerSay, or the DEBUG_CHANNEL for debugging purposes. If DEBUG_CHANNEL is used as channel, the script will say msg to the Script Warning/Error window.
• If one object 'says' something to another object (e.g., a button that, when touched, turns on a lamp), it is a good idea to use a very negative channel, e.g.,

 
    llSay(-5243212,"turn on");
 

Negative channels are popular for script communications because the client is unable to chat directly on those channels ("/-xxxx message" won't chat "message" on channel "-xxxx", it will chat "/-xxxx message" on channel zero). The only way to do so prior to llTextBox was to use llDialog which was limited to 24 bytes.

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