Daily Assignments are a rotating set of tasks that when completed will grant cash and silver to your account. Each day there are four rotating tasks and a fifth task that requires you to complete the first four daily tasks. 

• When you complete a task, the Task icon at the bottom with show a number indicating that it is ready to be turned in for rewards. 
• Once in the task menu, clicking on Collect will grant the rewards to your account.
• Once the first four tasks are done, simply repeat the above process and you will be able to collect the reward for the final daily task.