You can add a connection to a MongoDB database using ThoughtSpot DataFlow.
Follow these steps:
- 
    Click Connections in the top navigation bar. 
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    In the Connections interface, click Add connection in the top right corner. 
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    In the Create Connection interface, enter the Connection name, and select the Connection type. 
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    After you select the MongoDB Connection type, the rest of the connection properties appear. - Connection name
 Name your connection.
- Connection type
 Choose the MongoDB connection type.
- Host 
 Specify the hostname or the IP address of the MongoDB system
- Port 
 Specify the port associated to the MongoDB system
- User 
 Specify the user id that will be used to connect to the MongoDB system. This user should have necessary privileges to access the data in the databases.
- Password 
 Specify the password for the User
- Database 
 Collection of information that is organized so that it can be easily accessed, managed and updated
- Flatten arrays
 The FlattenArrays property can be used to flatten the elements of nested arrays into columns of their own. Set FlattenArrays to the number of elements you want to return from nested arrays.
- Row scan depth
 The maximum number of rows to scan to look for the columns available in a table. Set this property to gain more control over how the provider applies data types to collections.
- JDBC options
 Specify the options associated with the JDBC URL.
 See Connection properties for details, defaults, and examples. 
- Connection name
- 
    Click Create connection.