Wakeup and Run

i have a program that i want to wake at a specific time turn on a relay then go back to sleep, and i have 3 inputs that will wake it to send a sms alarm but i am having issues with getting the relay to stay in for 2 minutes or to release, this is what i have so far i have moved the timing for the relay to different spots but no luck it wakes up goes to that program and stays there could someone take a look and see where I am missing on this

steve_wakeup_alarm0623.ino (6.11 KB)

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In this case, the problem is that you have added your sketch as an attachment. Unless the sketch is too large, it's better if you post your code (using code tags!), rather than attach it. When it's attached, we have to download it, create a folder then open your code in our IDE. And afterwards, the folder remains unless we navigate to the "Temp" folder and manually remove it. It's much easier to just view the code in your post.
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What’s this for?

if (button4 == HIGH);

The ; at the end means the IF does nothing.

It’s not a “button” if you…

pinMode(button4, OUTPUT);

…I only discovered it might perhaps be your relay, and might perhaps control a pump, from the comments in the code.

“relayPin”, or perhaps even better “pumpRelayPin”, would be a far better choice of variable name.

This code…

    if (currentMillis - startMillis > interval)
      startMillis = currentMillis;
       digitalWrite(button4, HIGH);

Looks like it is missing some { } from the indents. This is NOT python!
C/C++ requires code blocks, otherwise ONLY the first statement following the “if” gets executed.

As you have it coded…

startMillis = currentMillis;

Executes if the “if” is true.

digitalWrite(button4, HIGH);

Executes every time through loop when AlarmFlag == 0.

I’m guessing that’s every time as you did this two lines earlier…

(AlarmFlag = 0);

Although what the hell the ( ) around the statement are supposed to do (or what they actually do!) I have no idea. It’s no recognisable C/C++ syntax that I am aware of.

My personal recommendation (at least for beginners) is every control statement IF/ELSE/WHILE etc should be followed by a { } code block without exception. Even in my professional coding life this is a required coding standard. To easy to make a mistake with a code block otherwise.