Follow the steps for use the component:
1-Include the DecimalKeyboard module in your application through the add dependencies.
2-Create a client action to receive the number digited in the keyboard. This action must be a decimal input parameter.
3-In place of your field, include the block DecimalKeyboard and fill the parameters whith your specifications. The name of client action is set in the CloseKeyboard event handler of the block. The action will be triggered when the user click on close key of the keyboard, and will receive the filled number in the input parameter. Then the number digited can be treated by your application.