My analysis of compound complex sentence broken down.

[GRexGRex]

My analysis of compound complex sentence broken down. Is it correct?

Hi everyone,

I am interested in finding out if the sentence is correct and if I am correct in my analysis. If not, I would like to know where I went wrong.

Here is the sentence:
Once I have completed implementing the changes, I will contact you, and we will schedule a remote session for you to see the finished product.

I have broken it down below:

Dependent clause: Once I have completed implementing the changes
Independent clause: I will contact you.
Coordinating conjunction: , and
Independent clause: We will schedule a remote session for you to see the finished product.
Complex sentence: Once I have completed implementing the changes, I will contact you.
Compound sentence: I will contact you, and we will schedule a remote session for you to see the finished product.
Compound Complex sentence: Once I have completed implementing the changes, I will contact you, and we will schedule a remote session for you to see the finished product.

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Broken down more granular:

Once I have completed implementing the changes, I will contact you, and we will schedule a remote session for you to see the finished product.

Subordinating conjunction: Once
Subject: I
Verb: have completed
Direct Object: changes
Participle phrase: implementing the changes
Participle: implementing
Article: the
Object: changes

Subject: I
Verb: will contact
Direct Object: you

Coordinating conjunction: , and

Subject: we
Verb: will schedule
Article: a
Adjective: remote
Direct Object: session
Prepositional phrase: for you
Preposition: for
Object: you
Infinitive phrase: to see the finished product.
Infinitive verb: to see
Article: the
Adjective: finished
Object: product

[Alan]

Generally correct, except that 'implementing' is a gerund, not a participle.