how to use options

[guchenghuan]

No description provided.

[guchenghuan]

Excuse me, I have a question to ask you,when i use coach api to run my page with options, it doesn't use. and then I also looked at the relevant documents, but I can't solve it now
for example:

my code:

the error is : TypeError: Cannot read property 'type' of undefined
emmmm，hope you can help me out，thanks