declare 
 p_wf_id = (Select wf_id from tmd.etl where wf_name = 'dev_wf');
CALL tmd.etl_sp_wf_param_add(
	_wf_id := p_wf_id
	_param_name = 'out', 
	_param_value = '/data/', 
	_param_type = 'const'
)