HI. I have a menu called BLOG linked to a category called BLOG. On only that BLOG menu page, I allowed several 3rd party modules to show up. Normally they only show up on those pages. But it seems, because items do not have their own menu item, this doesn't work. What do I need to do. I found a post where I need to insert add the following on top of my template index.php Or in the k2 item.php file of the template override?

<?php $view = $_REQUEST; ?>
<?php $option = $_REQUEST; ?>

Then find my module and add the option and view

<?php if ($this->countModules( 'your_mod_position' ) && $option=='com_k2' && $view=='itemlist') : ?>
<jdoc:include type="modules" name="your_mod_position" />
<?php endif; ?>

Since I'm not much of a programmer, but probably can handle it, I wanted to ask here first if this is the way to go still since this post is pretty old. stackoverflow.com/questions/12660182/show-a-module-on-k2-category-page-but-not-in-item-page

What I do not get is this:
<?php if ($this->countModules( 'your_mod_position' ) && $option=='com_k2' && $view=='itemlist') : ?>
<jdoc:include type="modules" name="your_mod_position" />
<?php endif; ?>

Where that jdoc is included.... I'm working with T3 UBER. They do not use those in the template on the regular way I guess. I'm probably missing something.

Generally speaking this is the code you should use as a starting point.
Do not forget to change the module's position.

As for where you need to this code, this is a template specific question which you have to address to the template's developer. T3 uses multiple blocks for building the template, instead of a single.php file.

Alternatively you can use an extension like Module's anywhere.