Here are some examples of how to use it in a sentence:
* "The soldiers were granted ingress into the enemy's territory." (meaning they were allowed to enter)
* "The secret passage provided ingress to the hidden chamber." (meaning it allowed access to the chamber)
* "The company's ingress into the market was met with fierce competition." (meaning their entry into the market was difficult)
* "The virus found ingress through a compromised network." (meaning the virus entered the network through a weak point)
You can also use "ingress" in a more abstract sense:
* "The new legislation allows for greater ingress of foreign investment." (meaning it makes it easier for foreign companies to invest)
* "The artist's work explores the ingress of technology into our daily lives." (meaning it explores how technology is entering our lives)
Remember that "ingress" usually implies a controlled or deliberate act of entering, rather than just a random or accidental entrance.