You can specify external tools to launch along with parameters to send to the command.
Optional macros that can be used with tools:
${MSEDIR} : path to MSEIDE on hard drive, includes slash
${DEBUGGER} : debugger path
${MSELIBDIR} : mse library directory path
${COMPILER} : compiler executable
${TEMPLATEDIR} : template files directory
${SYNTAXDEFDIR} : syntax definition files directory
${FPCDIR} : fpc compiler directory
${FPCLIBDIR} : ???
${EXEEXT} : operating system executable extension
${TARGET} : target CPU/OS to compile (eg. i386-win32)
Not introduced until later versions (1.5/1.6):
${PROJECTNAME} : name of project
${PROJECTDIR} : folder of project
${CURSOURCEFILE} : current source file being edited
${CURMODULEFILE} : current data module or form (i.e. form.mfm)
${CURSSELECTION} : current selection in editor that cursor is on
${CURSWORD} : current word (token) that cursor is on in editor
${CURSDEFINITION} : type definition of current token that cursor is on
${CURCOMPONENTCLASS} : classname of current component in objectinspector
${CURPROPERTY} : name path of selected property in objectinspector