Get dialog value when using buttons

[kTipSSIoYv]

When using buttons and dialogs how can I get the value of the dialog inside ruby script?

If I try $evm.root['miq_provision'].get_option(:dialog_azure_mgmt_group) then I get the error undefined methodoptions' for nil:NilClass`

if I try $evm.root['dialog_azure_mgmt_group'] then I get the key instead of value.

@Fryguy Any idea how I can get the value?

[kTipSSIoYv]

Managed to fix it. I'm using $evm.root['dialog_azure_mgmt_group'] instead of get_option. But is there a way to use get_option?