How to set stochastic oscillator alert?

<p id="isPasted">You can download the indicator for free using the link below and install it by following the provided instructions.<br><a href="https://www.earnforex.com/mt5-forex-indicators/MQLTA%20MT5%20Stochastic%20With%20Alert.zip" target="_blank" rel="noopener noreferrer">➥ MQLTA MT5 Stochastic With Alert</a></p><p id="isPasted">MT5 Stochastic Alert Installation</p><p>To install the MT5 Stochastic Alert Indicator please follow the instructions below:</p><ol style="box-sizing: border-box; outline: none !important; padding: 0px 0px 0px 15px; margin-left: auto; margin-right: auto; max-width: 920px; color: rgb(45, 55, 72); font-family: Inter; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(245, 248, 251); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><li style="box-sizing: border-box; outline: none !important;">Download the indicator archive file.</li><li style="box-sizing: border-box; outline: none !important;">Open the MetaTrader 5 data folder (via&nbsp;File→Open Data Folder).</li><li style="box-sizing: border-box; outline: none !important;">Open the&nbsp;MQL5&nbsp;Folder.</li><li style="box-sizing: border-box; outline: none !important;">Copy all the folders from the archive directly to the&nbsp;MQL5&nbsp;folder.</li><li style="box-sizing: border-box; outline: none !important;">Restart MetaTrader 5 or refresh the indicators list by right-clicking the Navigator subwindow of the platform and choosing Refresh.</li></ol>