~/.config/Thunar/uca.xml

uca.xml

<?xml encoding="UTF-8" version="1.0"?>
<actions>
<action>
	<icon>utilities-terminal</icon>
	<name>Open Terminal Here</name>
	<unique-id>1556175454383383-1</unique-id>
	<command>exo-open --working-directory %f --launch TerminalEmulator</command>
	<description></description>
	<patterns>*</patterns>
	<directories/>
	<audio-files/>
	<image-files/>
	<other-files/>
	<text-files/>
	<video-files/>
</action>
</actions>