https://community.cisco.com/t5/nso-developer-hub-discussions/check-empty-leaf-set-in-python-api/m-p/4271441#M5989 The empty leaf can also be passed to the function bool(), so bool(root.my_empty_leaf) will return its truth.<BR /><BR />Python will call the bool() function whenever it sees an object that supports it inside an if statement, so you can also just use the leaf directly in an if test<BR />If root.my_empty_leaf :<BR /> Do something<BR /> Wed, 13 Jan 2021 09:50:09 GMT snovello 2021-01-13T09:50:09Z https://community.cisco.com/t5/nso-developer-hub-discussions/check-empty-leaf-set-in-python-api/m-p/4271062#M5987 <P>Is there a way to check if an empty list has been set using the python API?</P> Tue, 12 Jan 2021 19:48:46 GMT https://community.cisco.com/t5/nso-developer-hub-discussions/check-empty-leaf-set-in-python-api/m-p/4271062#M5987 sfloresk 2021-01-12T19:48:46Z https://community.cisco.com/t5/nso-developer-hub-discussions/check-empty-leaf-set-in-python-api/m-p/4271063#M5988 <P>It can be done using the exists() method. Will return "True" if has been set, otherwise the result will be "False". (Credits to Viktor Leijon)</P> Tue, 12 Jan 2021 19:49:54 GMT https://community.cisco.com/t5/nso-developer-hub-discussions/check-empty-leaf-set-in-python-api/m-p/4271063#M5988 sfloresk 2021-01-12T19:49:54Z https://community.cisco.com/t5/nso-developer-hub-discussions/check-empty-leaf-set-in-python-api/m-p/4271441#M5989 The empty leaf can also be passed to the function bool(), so bool(root.my_empty_leaf) will return its truth.<BR /><BR />Python will call the bool() function whenever it sees an object that supports it inside an if statement, so you can also just use the leaf directly in an if test<BR />If root.my_empty_leaf :<BR /> Do something<BR /> Wed, 13 Jan 2021 09:50:09 GMT https://community.cisco.com/t5/nso-developer-hub-discussions/check-empty-leaf-set-in-python-api/m-p/4271441#M5989 snovello 2021-01-13T09:50:09Z