You can integrate Lucidchart with Cliq and bring your collaboration on documents related to diagrams and flow charts inside Cliq.
Installation
Go to Zoho Cliq marketplace and search for "Lucidchart" or click the following link.
Create a connection
Once the Lucidchart extension gets installed, you can create a connection with your account to access your documents in Cliq. To create a connection, do the following:
Go to Bots & Tools and select Connections.
Search for the Lucidchart extension and select Allow access.
You will be redirected to the Lucidchart website. Enter the credentials of your associated Lucidchart account.
Once your authentication is successful, select Take me to Cliq.
Lucidchart bot
You will receive a bot message posted on the Lucidchart bot upon successful installation. There are two bot actions present in the Lucidchart bot: Document and Help.
Document
A list of all the documents associated with your account will be displayed in the form of a tabular column. You can view the document name, creator, what access level you have to a particular document, and the status of the document.
By selecting the View button in the collaborators column, you will be able to view all the collaborators in the document. 
There are two actions available if you have access.
Edit - You can edit the access level of the document.
Revoke - You can revoke the document of the user.
Help
The Help bot action helps the user to explore how to use Lucidchart by providing template cases. The following options are available when selecting the Help bot action. 
Get startedA link to a one-minute video will be provided, which will help you learn the basics of using Lucidcharts.
Tutorials
Here you will be able to access links to the materials on how to use Lucidchart.
Teams and collaboration
You will be provided with an overview on what real-time collaboration and collaboration cursors mean in Lucidchart.

DiagrammingHere, you will be able to view how to explore diagrams and tutorial guides, as well as how to access pre-built templates.
With the Lucidchart widget, you can view all your documents from Lucidchart inside Cliq.
There are four tabs available in the widget: View collaborators - You can view the list of collaborators for a document. If you are the document owner, you can edit the access level and revoke access to other users.

Note:
- The user's Cliq email address and their Lucidchart email address must match in order to add a new collaborator to a document in Cliq. They also need to be on the same Lucid team.
- If an external user who is not part of the Lucid team is added as a collaborator, then they will be displayed as an External user, and their name will not be displayed.
Delete - You can delete a document inside Cliq if you are the document owner.
Favorites - All the documents that you have marked as favorite are displayed here.

Note:
Lucidchart slash command
You can use "/exportdocument" slash command on any channel or chat to instantly send documents in the form of jpeg or png format. To do so:
Go to the channel or chat and enter /exportdocument in the text area.
A form will appear on what document you want to export. Select the document name, the page, and the format, and click Export.
An image will be posted on the channel or chat.