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Publishing from Revit takes four things: the connector installed, the connector signed in to the Real-Time LCA Speckle server, a project to publish to, and a view that holds the geometry you want assessed.
Set up your Speckle account and the project’s connection first. Steps 1 and 2 below happen once per machine; step 3 onwards you repeat whenever the design changes.

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1. Sign in to the right server

Open the Speckle tab in Revit. The panel offers the public Speckle server by default — replace it with the server shown in your Real-Time LCA Speckle settings.
Revit with the Speckle panel open, showing the default app.speckle.systems server address and a log in button.

The connector's default server

The Speckle panel in Revit with the Real-Time LCA server address entered.

Pointing the connector at Real-Time LCA

Log in opens a browser window. Sign in with your Real-Time LCA email and the Speckle password you set, then return to Revit.
Speckle login page with email and password fields.

Signing in

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2. Start publishing

A file with no Speckle models yet offers Publish and Load. Publishing sends geometry out to Real-Time LCA; loading brings a published model back into Revit.
Speckle panel in Revit reading that no Speckle models are being published or loaded in this file yet, with Publish and Load buttons.

The Speckle panel in a fresh file

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3. Pick the project

Search your projects and choose the Real-Time LCA project you connected earlier.
Select project panel searching your Speckle projects, with the Office Building project listed.

Selecting the project

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4. Choose what to send

Select objects can publish the current Selection, a View, or whole Categories. Publishing a dedicated view is the most repeatable: the same geometry goes out every time.
Select objects panel with Selection, Views, and Categories options.

Choosing how to select objects

View picker listing ThreeD - RTLCA Full Model, ThreeD - RTLCA Architect, ThreeD - RTLCA Structure, and ThreeD - Full Model.

Picking the view

Set up one 3D view per model slot in the project — architecture, structures, and so on — and name them so the pairing is obvious. Publish each view to its matching model.

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5. Check the settings and publish

Publish settings with detail level, reference point, and toggles for null parameters, linked models, rebars as volumetric, and areas as mesh.

Publish settings

Publish sends the version.
Speckle panel showing a publish in progress to the structures model.

Publishing in progress

Speckle panel confirming a version was created for the structures model while the architecture model is still converting.

Version created

When the version is created you can add a message describing the change — it shows up in the project’s history.

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6. Back in Real-Time LCA

The elements land in Material Mapping, tagged with the model they came from. Republish after any design change; existing mappings are kept and only new or changed elements need attention.