PL/SQL Developer Browser Extender Command

[MAIN]
NAME=Tablespace free space
CAPTION=#field_0 MB Free
OTYPE=Tablespace
OOWNER=%
ONAME=%
SEPARATOR_ABOVE=N
SEPARATOR_BELOW=N
LOAD_AND_EXECUTE=N
LOAD_COMMAND=N
LOAD_AFTER=REPLACE
LOAD_WIN_TYPE=1
PRIVILEGE_REQ=N
PRIVILEGE=
ORACLE_VERSION_REQ=N
ORACLE_VERSION=7.0.0
ONCLICK_CONFIRM=N
ONCLICK_CONFIRM_MSG=
ONCLICK_SPLASH=N
ONCLICK_SPLASH_MSG=
ONCLICK_SPLASH_MSG_BL=N
ONCLICK_SPLASH_MSG_AFTER=
ONCLICK_SPLASH_DELAY=0
ONCLICK_IGNORE_EXCEPTIONS=Y
ONPOPUP_IGNORE_EXCEPTIONS=Y

[ONCLICK]

[ONPOPUP]
select  to_char(sum(s.bytes)/1024/1024, 'fm999g999g999g999g990')
from dba_free_space s
where s.tablespace_name like '#oname'
group by s.tablespace_name
