Masking a bsdf

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hello all. I was just wondering if there was any way mask a bsdf from another with a texture/alpha to get a layered type of shader. one layer highly reflective and a second one blurry for example. Is this possible at all? I'm kind of stumped. lol. thanks in advance.
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There are a limited set of nodes that works for masking bsdf in SHOPs. I guess it would work to use the texture as an input for a mix node that mix between the two desired bsds. Have worked for me before atleast.
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that's what i figured. what i failed to use was a vec4 to vec node. i now believe i have it working.
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