# EVAL_RO

> Evaluate a read-only Lua script server side.

## Arguments

<ParamField body="script" type="str" required>
  The read-only lua script to run.
</ParamField>

<ParamField body="keys" type="List[str]" required>
  All of the keys accessed in the script
</ParamField>

<ParamField body="args" type="unknown[]" required>
  All of the arguments you passed to the script
</ParamField>

## Response

<ResponseField type="Any" required>
  The result of the script.
</ResponseField>

<RequestExample>
```py Example
script = """
local value = redis.call("GET", KEYS[1])
return value
"""

redis.set("mykey", "Hello")

assert redis.eval_ro(script, keys=["mykey"]) == "Hello"
```

```py Accepting arguments
assert redis.eval_ro("return ARGV[1]", args=["Hello"]) == "Hello"
```
</RequestExample>