Let’s get started 
Step 1: Log in to your agent dashboard and click More > Global Settings, as shown in the screenshot below.

Step 2: From the available tabs, click the Jobs tab.

Step 3: Scroll down and click the Shift Job Board option to expand it and view its details.

Step 4: Scroll down to the Candidates can self assign themselves to shift jobs (accept available shift jobs directly) checkbox and check it.
The settings will be saved automatically.

[[job_acceptance_link]] tag is included in your Email or SMS broadcast templates. For more information about this tag and where to insert it, refer to the “Give Candidates an Option to Accept Shift Jobs Directly from Broadcasts Without Needing to Log In” article.