Kim,
Sorry for the delay. Below is a sample of code you can use. If you want to hard-code the extension you are transferring to, replace the user input prompt string $P1N3$ with the extension number.
Let us know how it works for you.
<efk>
<version efk.version="2" />
<efklist
efk.efklist.4.mname="fastxfer"
efk.efklist.4.label="Fast Transfer"
efk.efklist.4.status="1"
efk.efklist.4.action.string="$P1N3$$Trefer$"
/>
<efkprompt
efk.efkprompt.1.status="1"
efk.efkprompt.1.label="To: "
efk.efkprompt.1.userfeedback="visible"
efk.efkprompt.1.type="numeric"
/>
</efk>
<softkey
softkey.5.label="FastXfer"
softkey.5.action="!fastxfer"
softkey.5.enable="1"
softkey.5.precede="1"
softkey.5.use.idle="0"
softkey.5.use.active="1"
softkey.5.use.alerting=""
softkey.5.use.dialtone=""
softkey.5.use.proceeding=""
softkey.5.use.setup=""
softkey.5.use.hold="1"
softkey.feature.newcall="1"
softkey.feature.endcall="1"
softkey.feature.split="1"
softkey.feature.join="1"
softkey.feature.forward="1"
softkey.feature.directories=""
softkey.feature.callers=""
softkey.feature.mystatus="1"
softkey.feature.buddies="1"
softkey.feature.basicCallManagement.redundant="0"
/>