From dash-qt help:
setaccount "dashaddress" "account"
Sets the account associated with the given address.
Arguments:
1. "dashaddress" (string, required) The dash address to be associated with an account.
2. "account" (string, required) The account to assign the address to.
Examples:
> dash-cli setaccount "XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwg" "tabby"
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "setaccount", "params": ["XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwg", "tabby"] }' -H 'content-type: text/plain;'
http://127.0.0.1:9998/
sendfrom "fromaccount" "todashaddress" amount ( minconf "comment" "comment-to" )
Sent an amount from an account to a dash address.
The amount is a real and is rounded to the nearest 0.00000001.
Requires wallet passphrase to be set with walletpassphrase call.
Arguments:
1. "fromaccount" (string, required) The name of the account to send funds from. May be the default account using "".
2. "todashaddress" (string, required) The dash address to send funds to.
3. amount (numeric, required) The amount in btc. (transaction fee is added on top).
4. minconf (numeric, optional, default=1) Only use funds with at least this many confirmations.
5. "comment" (string, optional) A comment used to store what the transaction is for.
This is not part of the transaction, just kept in your wallet.
6. "comment-to" (string, optional) An optional comment to store the name of the person or organization
to which you're sending the transaction. This is not part of the transaction,
it is just kept in your wallet.
Result:
"transactionid" (string) The transaction id.
Examples:
Send 0.01 btc from the default account to the address, must have at least 1 confirmation
> dash-cli sendfrom "" "XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwg" 0.01
Send 0.01 from the tabby account to the given address, funds must have at least 6 confirmations
> dash-cli sendfrom "tabby" "XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwg" 0.01 6 "donation" "seans outpost"
As a json rpc call
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "sendfrom", "params": ["tabby", "XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwg", 0.01, 6, "donation", "seans outpost"] }' -H 'content-type: text/plain;'
http://127.0.0.1:9998/