https://community.splunk.com/t5/Splunk-Search/Phantom-debug-string-won-t-perform-string-interpolation/m-p/573828#M199972 <P>This is an old question but I believe it is because you forgot the f before the string.<BR />It should be:</P><PRE>phantom.debug(f"Testing: {foo}")</PRE><P>&nbsp;<span class="lia-unicode-emoji" title=":winking_face:">😉</span></P> Fri, 05 Nov 2021 14:23:23 GMT djacquens 2021-11-05T14:23:23Z https://community.splunk.com/t5/Splunk-Search/Phantom-debug-string-won-t-perform-string-interpolation/m-p/483682#M135411 <P>Why won't this phantom.debug() string perform string interpolation?</P> <PRE><CODE>foo = "bar" phantom.debug("Testing: {foo}") </CODE></PRE> <P>It should read as <CODE>"Testing: bar"</CODE></P> Mon, 27 Apr 2020 19:52:19 GMT https://community.splunk.com/t5/Splunk-Search/Phantom-debug-string-won-t-perform-string-interpolation/m-p/483682#M135411 nhammSplunk 2020-04-27T19:52:19Z https://community.splunk.com/t5/Splunk-Search/Phantom-debug-string-won-t-perform-string-interpolation/m-p/483683#M135412 <P>This method works for that:</P> <PRE><CODE>phantom.debug("Testing: {}".format(foo)) </CODE></PRE> Tue, 28 Apr 2020 19:51:35 GMT https://community.splunk.com/t5/Splunk-Search/Phantom-debug-string-won-t-perform-string-interpolation/m-p/483683#M135412 cblumer_splunk 2020-04-28T19:51:35Z https://community.splunk.com/t5/Splunk-Search/Phantom-debug-string-won-t-perform-string-interpolation/m-p/573828#M199972 <P>This is an old question but I believe it is because you forgot the f before the string.<BR />It should be:</P><PRE>phantom.debug(f"Testing: {foo}")</PRE><P>&nbsp;<span class="lia-unicode-emoji" title=":winking_face:">😉</span></P> Fri, 05 Nov 2021 14:23:23 GMT https://community.splunk.com/t5/Splunk-Search/Phantom-debug-string-won-t-perform-string-interpolation/m-p/573828#M199972 djacquens 2021-11-05T14:23:23Z