> For the complete documentation index, see [llms.txt](https://docs.bimcat.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bimcat.org/user-manual/usage/library-browser/transfer-material-information.md).

# Transfer Material Information

In order to be able to transfer material information across projects, you need to have a source project with already defined materials.

## 1. Add Families to Library

Open the source project with defined material assignments and then open the [bimCAT Library](/user-manual/usage/library-browser.md).

<figure><img src="/files/TNSnUOjTwEtCN02Hj8vT" alt=""><figcaption></figcaption></figure>

Select the families that you want to transfer to another project.

<figure><img src="/files/ir1jfYCtLwUYX18NbgVb" alt=""><figcaption></figcaption></figure>

Click 'Add to Library', then select the library you want to add the families to, and click the 'Add Family Types to Library' button.

<figure><img src="/files/7W3iZPS9Ta0PC6agXfL7" alt=""><figcaption></figcaption></figure>

This places all of the selected families in a library that can be used to populate other projects.

## 2. Open target project

Now open the project where you want to apply the saved material definitions and open the [bimCAT Library](/user-manual/usage/library-browser.md) again.

<figure><img src="/files/DaO2bT26DoeFY805ffsQ" alt=""><figcaption></figcaption></figure>

## 3. Scan for updates

This time, click the 'Scan for Updates' button to check if there are any families in any of our bimCAT libraries that have a matching name with families in the opened model.

<figure><img src="/files/0sWd5GURjm0VkWczA4l5" alt=""><figcaption></figcaption></figure>

## 4. Select and map families

In the 'Project Family Types' window, select the families that you want to transfer information to. If you see ![](/files/gC4Fm8IHeaImJ7tHPQyC) next to any families, then you will also need to select a specific source of definitions in the 'Library Family Types' window for each of the marked families. Click the 'Update # Family Types' button in the bottom right corner to proceed to the next step.

<figure><img src="/files/yDOONtK44FUyhbUC8hA8" alt=""><figcaption></figcaption></figure>

Check and confirm the transfer of information in the next window. The information is now transferred from the library into the active project.

<figure><img src="/files/RiYKWqG2mHByC2rwgsSV" alt=""><figcaption></figcaption></figure>

The next time you open and sync the project with Web Ap, you will be able to see all of the transfered definitions in Web App as well.