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<h1 class="topictitle1">SFLMSGKEY (Subfile Message Key) keyword for display files</h1>
<div><p>Use this field-level keyword on the first field in the subfile
record format for a message subfile (Subfile (SFL) and Subfile Message Record
(SFLMSGRCD) keywords specified).</p>
<div class="section"><p>It is not valid on the subfile control record format (SFLCTL).
To select messages from a program message queue for display, your program
places a message reference key in this field. Your program also places the
name of the program message queue in the second field in the subfile record
format.</p>
<p>This keyword has no parameters.</p>
<div class="p">This field is predefined
as a four-position, character data type, hidden field. The following rules
apply: <ul><li>This field must always be the first field defined in the subfile record
format.</li>
<li>The field name and SFLMSGKEY are the only DDS you can specify for this
field.</li>
</ul>
</div>
<p>Option indicators are not valid for this keyword or with the associated
field.</p>
<p>For more information about building and displaying message subfiles,
see the SFLPGMQ (Subfile Program Message Queue) keyword for display files
topic.</p>
</div>
<div class="example"><h4 class="sectiontitle">Example</h4><p>The following example shows how to specify
the SFLMSGKEY keyword.</p>
<pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
00010A R RCDMSG SFL SFLMSGRCD(3)
00020A FLDKEY SFLMSGKEY
00030A FLDPGM SFLPGMQ
00040A R SFLCTL SFLCTL(RCDMSG)
00050A 01 SFLINZ
00060A SFLPAG(17)
00070A SFLSIZ(17)
00080A SFLDSP SFLDSPCTL
00090A FLDPGM SFLPGMQ
A</pre>
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<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="rzakcmstkeyent.htm" title="You type the keyword entries that define display files in positions 45 through 80 (functions).">DDS keyword entries for display files (positions 45 through 80)</a></div>
</div>
<div class="relref"><strong>Related reference</strong><br />
<div><a href="rzakcmstdfsfctl.htm" title="Use this record-level keyword to specify that this record format is to be a subfile control record format. This record format must immediately follow the subfile record format.">SFLCTL (Subfile Control) keyword for display files</a></div>
<div><a href="rzakcmstdfsfpmq.htm" title="Use this field-level keyword on the second (and last) field in the subfile record format for a message subfile.">SFLPGMQ (Subfile Program Message Queue) keyword for display files</a></div>
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